Home / 6,985,188.24-9,639,876.83-3,887,909.63

Finding the Fourth Proportional to 6,985,188.24, 9,639,876.83 and 3,887,909.63

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Solution

The fourth proportional to 6,985,188.24, 9,639,876.83 and 3,887,909.63 is: 5,365,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,188.24 : 9,639,876.83 = 3,887,909.63 : x
  2. Step 2: Convert to fraction form
    6,985,188.24/9,639,876.83 = 3,887,909.63/x
  3. Step 3: Cross multiply
    6,985,188.24x = 9,639,876.83 × 3,887,909.63
  4. Step 4: Simplify right side
    6,985,188.24x = 37,478,969,982,105.78
  5. Step 5: Solve for x
    x = 37,478,969,982,105.78/6,985,188.24
  6. Step 6: Final answer
    x = 5,365,491.76

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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.