Home / 21,517,219.71-29,693,774.18-12,224,805.86

Finding the Fourth Proportional to 21,517,219.71, 29,693,774.18 and 12,224,805.86

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Solution

The fourth proportional to 21,517,219.71, 29,693,774.18 and 12,224,805.86 is: 16,870,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,219.71 : 29,693,774.18 = 12,224,805.86 : x
  2. Step 2: Convert to fraction form
    21,517,219.71/29,693,774.18 = 12,224,805.86/x
  3. Step 3: Cross multiply
    21,517,219.71x = 29,693,774.18 × 12,224,805.86
  4. Step 4: Simplify right side
    21,517,219.71x = 363,000,624,705,977.19
  5. Step 5: Solve for x
    x = 363,000,624,705,977.19/21,517,219.71
  6. Step 6: Final answer
    x = 16,870,238.33

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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.