Home / 8,473,432.10-12,710,148.15-8,142,757.70

Finding the Fourth Proportional to 8,473,432.10, 12,710,148.15 and 8,142,757.70

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Solution

The fourth proportional to 8,473,432.10, 12,710,148.15 and 8,142,757.70 is: 12,214,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,432.10 : 12,710,148.15 = 8,142,757.70 : x
  2. Step 2: Convert to fraction form
    8,473,432.10/12,710,148.15 = 8,142,757.70/x
  3. Step 3: Cross multiply
    8,473,432.10x = 12,710,148.15 × 8,142,757.70
  4. Step 4: Simplify right side
    8,473,432.10x = 103,495,656,716,553.27
  5. Step 5: Solve for x
    x = 103,495,656,716,553.27/8,473,432.10
  6. Step 6: Final answer
    x = 12,214,136.55

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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.