Home / 18,387,934.74-27,581,901.91-8,670,285.77

Finding the Fourth Proportional to 18,387,934.74, 27,581,901.91 and 8,670,285.77

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Solution

The fourth proportional to 18,387,934.74, 27,581,901.91 and 8,670,285.77 is: 13,005,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,934.74 : 27,581,901.91 = 8,670,285.77 : x
  2. Step 2: Convert to fraction form
    18,387,934.74/27,581,901.91 = 8,670,285.77/x
  3. Step 3: Cross multiply
    18,387,934.74x = 27,581,901.91 × 8,670,285.77
  4. Step 4: Simplify right side
    18,387,934.74x = 239,142,971,480,223.59
  5. Step 5: Solve for x
    x = 239,142,971,480,223.59/18,387,934.74
  6. Step 6: Final answer
    x = 13,005,428.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.