Home / 6,981,077.56-9,629,950.50-4,189,486.87

Finding the Fourth Proportional to 6,981,077.56, 9,629,950.50 and 4,189,486.87

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Solution

The fourth proportional to 6,981,077.56, 9,629,950.50 and 4,189,486.87 is: 5,779,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981,077.56 : 9,629,950.50 = 4,189,486.87 : x
  2. Step 2: Convert to fraction form
    6,981,077.56/9,629,950.50 = 4,189,486.87/x
  3. Step 3: Cross multiply
    6,981,077.56x = 9,629,950.50 × 4,189,486.87
  4. Step 4: Simplify right side
    6,981,077.56x = 40,344,551,215,862.91
  5. Step 5: Solve for x
    x = 40,344,551,215,862.91/6,981,077.56
  6. Step 6: Final answer
    x = 5,779,129.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.