Home / 9,181,806.60-13,756,121.10-7,854,702.60

Finding the Fourth Proportional to 9,181,806.60, 13,756,121.10 and 7,854,702.60

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Solution

The fourth proportional to 9,181,806.60, 13,756,121.10 and 7,854,702.60 is: 11,767,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,806.60 : 13,756,121.10 = 7,854,702.60 : x
  2. Step 2: Convert to fraction form
    9,181,806.60/13,756,121.10 = 7,854,702.60/x
  3. Step 3: Cross multiply
    9,181,806.60x = 13,756,121.10 × 7,854,702.60
  4. Step 4: Simplify right side
    9,181,806.60x = 108,050,240,170,084.86
  5. Step 5: Solve for x
    x = 108,050,240,170,084.86/9,181,806.60
  6. Step 6: Final answer
    x = 11,767,862.78

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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.