Home / 8,393,930.70-12,590,896.05-7,732,581.90

Finding the Fourth Proportional to 8,393,930.70, 12,590,896.05 and 7,732,581.90

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Solution

The fourth proportional to 8,393,930.70, 12,590,896.05 and 7,732,581.90 is: 11,598,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,930.70 : 12,590,896.05 = 7,732,581.90 : x
  2. Step 2: Convert to fraction form
    8,393,930.70/12,590,896.05 = 7,732,581.90/x
  3. Step 3: Cross multiply
    8,393,930.70x = 12,590,896.05 × 7,732,581.90
  4. Step 4: Simplify right side
    8,393,930.70x = 97,360,134,901,011.50
  5. Step 5: Solve for x
    x = 97,360,134,901,011.50/8,393,930.70
  6. Step 6: Final answer
    x = 11,598,872.85

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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.