Home / 27,783,124.13-38,340,711.30-15,559,981.13

Finding the Fourth Proportional to 27,783,124.13, 38,340,711.30 and 15,559,981.13

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Solution

The fourth proportional to 27,783,124.13, 38,340,711.30 and 15,559,981.13 is: 21,472,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783,124.13 : 38,340,711.30 = 15,559,981.13 : x
  2. Step 2: Convert to fraction form
    27,783,124.13/38,340,711.30 = 15,559,981.13/x
  3. Step 3: Cross multiply
    27,783,124.13x = 38,340,711.30 × 15,559,981.13
  4. Step 4: Simplify right side
    27,783,124.13x = 596,580,744,147,074.12
  5. Step 5: Solve for x
    x = 596,580,744,147,074.12/27,783,124.13
  6. Step 6: Final answer
    x = 21,472,773.96

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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.