Home / 10,434,000.10-15,651,000.15-8,542,876.90

Finding the Fourth Proportional to 10,434,000.10, 15,651,000.15 and 8,542,876.90

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Solution

The fourth proportional to 10,434,000.10, 15,651,000.15 and 8,542,876.90 is: 12,814,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,000.10 : 15,651,000.15 = 8,542,876.90 : x
  2. Step 2: Convert to fraction form
    10,434,000.10/15,651,000.15 = 8,542,876.90/x
  3. Step 3: Cross multiply
    10,434,000.10x = 15,651,000.15 × 8,542,876.90
  4. Step 4: Simplify right side
    10,434,000.10x = 133,704,567,643,331.55
  5. Step 5: Solve for x
    x = 133,704,567,643,331.55/10,434,000.10
  6. Step 6: Final answer
    x = 12,814,315.35

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Similar ratio
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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.