Home / 27,929,416.23-38,538,052.65-15,539,191.29

Finding the Fourth Proportional to 27,929,416.23, 38,538,052.65 and 15,539,191.29

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Solution

The fourth proportional to 27,929,416.23, 38,538,052.65 and 15,539,191.29 is: 21,441,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929,416.23 : 38,538,052.65 = 15,539,191.29 : x
  2. Step 2: Convert to fraction form
    27,929,416.23/38,538,052.65 = 15,539,191.29/x
  3. Step 3: Cross multiply
    27,929,416.23x = 38,538,052.65 × 15,539,191.29
  4. Step 4: Simplify right side
    27,929,416.23x = 598,850,172,072,441.38
  5. Step 5: Solve for x
    x = 598,850,172,072,441.38/27,929,416.23
  6. Step 6: Final answer
    x = 21,441,557.07

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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.