Home / 9,121,287.24-12,587,182.38-4,991,301.90

Finding the Fourth Proportional to 9,121,287.24, 12,587,182.38 and 4,991,301.90

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Solution

The fourth proportional to 9,121,287.24, 12,587,182.38 and 4,991,301.90 is: 6,887,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,287.24 : 12,587,182.38 = 4,991,301.90 : x
  2. Step 2: Convert to fraction form
    9,121,287.24/12,587,182.38 = 4,991,301.90/x
  3. Step 3: Cross multiply
    9,121,287.24x = 12,587,182.38 × 4,991,301.90
  4. Step 4: Simplify right side
    9,121,287.24x = 62,826,427,328,940.53
  5. Step 5: Solve for x
    x = 62,826,427,328,940.53/9,121,287.24
  6. Step 6: Final answer
    x = 6,887,890.46

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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.