Home / 38,713,618.53-53,426,203.34-21,071,669.05

Finding the Fourth Proportional to 38,713,618.53, 53,426,203.34 and 21,071,669.05

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Solution

The fourth proportional to 38,713,618.53, 53,426,203.34 and 21,071,669.05 is: 29,079,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,713,618.53 : 53,426,203.34 = 21,071,669.05 : x
  2. Step 2: Convert to fraction form
    38,713,618.53/53,426,203.34 = 21,071,669.05/x
  3. Step 3: Cross multiply
    38,713,618.53x = 53,426,203.34 × 21,071,669.05
  4. Step 4: Simplify right side
    38,713,618.53x = 1,125,779,275,472,263.50
  5. Step 5: Solve for x
    x = 1,125,779,275,472,263.50/38,713,618.53
  6. Step 6: Final answer
    x = 29,079,670.62

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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.