Home / 7,776,000.85-11,664,001.28-6,693,581.65

Finding the Fourth Proportional to 7,776,000.85, 11,664,001.28 and 6,693,581.65

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Solution

The fourth proportional to 7,776,000.85, 11,664,001.28 and 6,693,581.65 is: 10,040,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,000.85 : 11,664,001.28 = 6,693,581.65 : x
  2. Step 2: Convert to fraction form
    7,776,000.85/11,664,001.28 = 6,693,581.65/x
  3. Step 3: Cross multiply
    7,776,000.85x = 11,664,001.28 × 6,693,581.65
  4. Step 4: Simplify right side
    7,776,000.85x = 78,073,944,899,916.61
  5. Step 5: Solve for x
    x = 78,073,944,899,916.61/7,776,000.85
  6. Step 6: Final answer
    x = 10,040,372.48

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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.