Home / 13,616,145.10-20,424,217.65-9,789,769.90

Finding the Fourth Proportional to 13,616,145.10, 20,424,217.65 and 9,789,769.90

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Solution

The fourth proportional to 13,616,145.10, 20,424,217.65 and 9,789,769.90 is: 14,684,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616,145.10 : 20,424,217.65 = 9,789,769.90 : x
  2. Step 2: Convert to fraction form
    13,616,145.10/20,424,217.65 = 9,789,769.90/x
  3. Step 3: Cross multiply
    13,616,145.10x = 20,424,217.65 × 9,789,769.90
  4. Step 4: Simplify right side
    13,616,145.10x = 199,948,391,181,018.72
  5. Step 5: Solve for x
    x = 199,948,391,181,018.72/13,616,145.10
  6. Step 6: Final answer
    x = 14,684,654.85

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1.5x scale

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.