Home / 8,791,733.80-12,132,969-5,120,057.80

Finding the Fourth Proportional to 8,791,733.80, 12,132,969 and 5,120,057.80

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Solution

The fourth proportional to 8,791,733.80, 12,132,969 and 5,120,057.80 is: 7,065,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,733.80 : 12,132,969 = 5,120,057.80 : x
  2. Step 2: Convert to fraction form
    8,791,733.80/12,132,969 = 5,120,057.80/x
  3. Step 3: Cross multiply
    8,791,733.80x = 12,132,969 × 5,120,057.80
  4. Step 4: Simplify right side
    8,791,733.80x = 62,121,502,565,608.20
  5. Step 5: Solve for x
    x = 62,121,502,565,608.20/8,791,733.80
  6. Step 6: Final answer
    x = 7,065,898.94

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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.