Home / 19,419,348.60-29,129,022.90-9,864,199.80

Finding the Fourth Proportional to 19,419,348.60, 29,129,022.90 and 9,864,199.80

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Solution

The fourth proportional to 19,419,348.60, 29,129,022.90 and 9,864,199.80 is: 14,796,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,348.60 : 29,129,022.90 = 9,864,199.80 : x
  2. Step 2: Convert to fraction form
    19,419,348.60/29,129,022.90 = 9,864,199.80/x
  3. Step 3: Cross multiply
    19,419,348.60x = 29,129,022.90 × 9,864,199.80
  4. Step 4: Simplify right side
    19,419,348.60x = 287,334,501,864,375.44
  5. Step 5: Solve for x
    x = 287,334,501,864,375.44/19,419,348.60
  6. Step 6: Final answer
    x = 14,796,299.70

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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.