Home / 9,963,331.20-14,944,996.80-8,191,861.20

Finding the Fourth Proportional to 9,963,331.20, 14,944,996.80 and 8,191,861.20

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Solution

The fourth proportional to 9,963,331.20, 14,944,996.80 and 8,191,861.20 is: 12,287,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963,331.20 : 14,944,996.80 = 8,191,861.20 : x
  2. Step 2: Convert to fraction form
    9,963,331.20/14,944,996.80 = 8,191,861.20/x
  3. Step 3: Cross multiply
    9,963,331.20x = 14,944,996.80 × 8,191,861.20
  4. Step 4: Simplify right side
    9,963,331.20x = 122,427,339,420,044.17
  5. Step 5: Solve for x
    x = 122,427,339,420,044.17/9,963,331.20
  6. Step 6: Final answer
    x = 12,287,791.80

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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.