Home / 38,713,504.91-53,426,046.58-21,071,555.12

Finding the Fourth Proportional to 38,713,504.91, 53,426,046.58 and 21,071,555.12

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Solution

The fourth proportional to 38,713,504.91, 53,426,046.58 and 21,071,555.12 is: 29,079,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,713,504.91 : 53,426,046.58 = 21,071,555.12 : x
  2. Step 2: Convert to fraction form
    38,713,504.91/53,426,046.58 = 21,071,555.12/x
  3. Step 3: Cross multiply
    38,713,504.91x = 53,426,046.58 × 21,071,555.12
  4. Step 4: Simplify right side
    38,713,504.91x = 1,125,769,885,435,043.62
  5. Step 5: Solve for x
    x = 1,125,769,885,435,043.62/38,713,504.91
  6. Step 6: Final answer
    x = 29,079,513.42

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Double scale
Find fourth proportional to 38,713,505.91, 53,426,047.96 and 21,071,556.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.