Home / 13,595,909.90-20,393,864.85-12,462,169.10

Finding the Fourth Proportional to 13,595,909.90, 20,393,864.85 and 12,462,169.10

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Solution

The fourth proportional to 13,595,909.90, 20,393,864.85 and 12,462,169.10 is: 18,693,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,909.90 : 20,393,864.85 = 12,462,169.10 : x
  2. Step 2: Convert to fraction form
    13,595,909.90/20,393,864.85 = 12,462,169.10/x
  3. Step 3: Cross multiply
    13,595,909.90x = 20,393,864.85 × 12,462,169.10
  4. Step 4: Simplify right side
    13,595,909.90x = 254,151,792,363,246.16
  5. Step 5: Solve for x
    x = 254,151,792,363,246.16/13,595,909.90
  6. Step 6: Final answer
    x = 18,693,253.65

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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.