Home / 9,378,702.92-12,942,610.02-5,086,350.92

Finding the Fourth Proportional to 9,378,702.92, 12,942,610.02 and 5,086,350.92

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Solution

The fourth proportional to 9,378,702.92, 12,942,610.02 and 5,086,350.92 is: 7,019,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,702.92 : 12,942,610.02 = 5,086,350.92 : x
  2. Step 2: Convert to fraction form
    9,378,702.92/12,942,610.02 = 5,086,350.92/x
  3. Step 3: Cross multiply
    9,378,702.92x = 12,942,610.02 × 5,086,350.92
  4. Step 4: Simplify right side
    9,378,702.92x = 65,830,656,382,428.22
  5. Step 5: Solve for x
    x = 65,830,656,382,428.22/9,378,702.92
  6. Step 6: Final answer
    x = 7,019,164.26

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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.