Home / 8,393,434.10-12,590,151.15-7,755,704.90

Finding the Fourth Proportional to 8,393,434.10, 12,590,151.15 and 7,755,704.90

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Solution

The fourth proportional to 8,393,434.10, 12,590,151.15 and 7,755,704.90 is: 11,633,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,434.10 : 12,590,151.15 = 7,755,704.90 : x
  2. Step 2: Convert to fraction form
    8,393,434.10/12,590,151.15 = 7,755,704.90/x
  3. Step 3: Cross multiply
    8,393,434.10x = 12,590,151.15 × 7,755,704.90
  4. Step 4: Simplify right side
    8,393,434.10x = 97,645,496,965,795.64
  5. Step 5: Solve for x
    x = 97,645,496,965,795.64/8,393,434.10
  6. Step 6: Final answer
    x = 11,633,557.35

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Double scale
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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.