Home / 14,745,387.92-20,357,364.95-13,109,276.21

Finding the Fourth Proportional to 14,745,387.92, 20,357,364.95 and 13,109,276.21

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Solution

The fourth proportional to 14,745,387.92, 20,357,364.95 and 13,109,276.21 is: 18,098,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745,387.92 : 20,357,364.95 = 13,109,276.21 : x
  2. Step 2: Convert to fraction form
    14,745,387.92/20,357,364.95 = 13,109,276.21/x
  3. Step 3: Cross multiply
    14,745,387.92x = 20,357,364.95 × 13,109,276.21
  4. Step 4: Simplify right side
    14,745,387.92x = 266,870,319,869,989.62
  5. Step 5: Solve for x
    x = 266,870,319,869,989.62/14,745,387.92
  6. Step 6: Final answer
    x = 18,098,562.17

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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.