Home / 38,713,638.27-53,426,230.52-21,071,688.73

Finding the Fourth Proportional to 38,713,638.27, 53,426,230.52 and 21,071,688.73

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Solution

The fourth proportional to 38,713,638.27, 53,426,230.52 and 21,071,688.73 is: 29,079,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,713,638.27 : 53,426,230.52 = 21,071,688.73 : x
  2. Step 2: Convert to fraction form
    38,713,638.27/53,426,230.52 = 21,071,688.73/x
  3. Step 3: Cross multiply
    38,713,638.27x = 53,426,230.52 × 21,071,688.73
  4. Step 4: Simplify right side
    38,713,638.27x = 1,125,780,899,505,304.62
  5. Step 5: Solve for x
    x = 1,125,780,899,505,304.62/38,713,638.27
  6. Step 6: Final answer
    x = 29,079,697.74

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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.