Home / 8,520,987.96-12,757,151.70-6,496,877.88

Finding the Fourth Proportional to 8,520,987.96, 12,757,151.70 and 6,496,877.88

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Solution

The fourth proportional to 8,520,987.96, 12,757,151.70 and 6,496,877.88 is: 9,726,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,987.96 : 12,757,151.70 = 6,496,877.88 : x
  2. Step 2: Convert to fraction form
    8,520,987.96/12,757,151.70 = 6,496,877.88/x
  3. Step 3: Cross multiply
    8,520,987.96x = 12,757,151.70 × 6,496,877.88
  4. Step 4: Simplify right side
    8,520,987.96x = 82,881,656,691,534.39
  5. Step 5: Solve for x
    x = 82,881,656,691,534.39/8,520,987.96
  6. Step 6: Final answer
    x = 9,726,766.08

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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.