Home / 21,517,225.34-29,693,781.95-12,224,811.47

Finding the Fourth Proportional to 21,517,225.34, 29,693,781.95 and 12,224,811.47

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Solution

The fourth proportional to 21,517,225.34, 29,693,781.95 and 12,224,811.47 is: 16,870,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,225.34 : 29,693,781.95 = 12,224,811.47 : x
  2. Step 2: Convert to fraction form
    21,517,225.34/29,693,781.95 = 12,224,811.47/x
  3. Step 3: Cross multiply
    21,517,225.34x = 29,693,781.95 × 12,224,811.47
  4. Step 4: Simplify right side
    21,517,225.34x = 363,000,885,960,446
  5. Step 5: Solve for x
    x = 363,000,885,960,446/21,517,225.34
  6. Step 6: Final answer
    x = 16,870,246.06

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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.