Home / 8,486,597.70-12,729,896.55-7,557,624.90

Finding the Fourth Proportional to 8,486,597.70, 12,729,896.55 and 7,557,624.90

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Solution

The fourth proportional to 8,486,597.70, 12,729,896.55 and 7,557,624.90 is: 11,336,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486,597.70 : 12,729,896.55 = 7,557,624.90 : x
  2. Step 2: Convert to fraction form
    8,486,597.70/12,729,896.55 = 7,557,624.90/x
  3. Step 3: Cross multiply
    8,486,597.70x = 12,729,896.55 × 7,557,624.90
  4. Step 4: Simplify right side
    8,486,597.70x = 96,207,783,140,704.11
  5. Step 5: Solve for x
    x = 96,207,783,140,704.11/8,486,597.70
  6. Step 6: Final answer
    x = 11,336,437.35

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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.