Home / 13,564,853.30-20,347,279.95-12,525,590.90

Finding the Fourth Proportional to 13,564,853.30, 20,347,279.95 and 12,525,590.90

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Solution

The fourth proportional to 13,564,853.30, 20,347,279.95 and 12,525,590.90 is: 18,788,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,853.30 : 20,347,279.95 = 12,525,590.90 : x
  2. Step 2: Convert to fraction form
    13,564,853.30/20,347,279.95 = 12,525,590.90/x
  3. Step 3: Cross multiply
    13,564,853.30x = 20,347,279.95 × 12,525,590.90
  4. Step 4: Simplify right side
    13,564,853.30x = 254,861,704,581,472.47
  5. Step 5: Solve for x
    x = 254,861,704,581,472.47/13,564,853.30
  6. Step 6: Final answer
    x = 18,788,386.35

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Similar ratio
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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.