Home / 14,503,876.20-21,772,575.90-7,785,412.20

Finding the Fourth Proportional to 14,503,876.20, 21,772,575.90 and 7,785,412.20

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Solution

The fourth proportional to 14,503,876.20, 21,772,575.90 and 7,785,412.20 is: 11,687,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,876.20 : 21,772,575.90 = 7,785,412.20 : x
  2. Step 2: Convert to fraction form
    14,503,876.20/21,772,575.90 = 7,785,412.20/x
  3. Step 3: Cross multiply
    14,503,876.20x = 21,772,575.90 × 7,785,412.20
  4. Step 4: Simplify right side
    14,503,876.20x = 169,508,478,037,285.97
  5. Step 5: Solve for x
    x = 169,508,478,037,285.97/14,503,876.20
  6. Step 6: Final answer
    x = 11,687,115.62

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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.