Home / 8,187,739.20-12,281,608.80-7,266,574.80

Finding the Fourth Proportional to 8,187,739.20, 12,281,608.80 and 7,266,574.80

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Solution

The fourth proportional to 8,187,739.20, 12,281,608.80 and 7,266,574.80 is: 10,899,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,739.20 : 12,281,608.80 = 7,266,574.80 : x
  2. Step 2: Convert to fraction form
    8,187,739.20/12,281,608.80 = 7,266,574.80/x
  3. Step 3: Cross multiply
    8,187,739.20x = 12,281,608.80 × 7,266,574.80
  4. Step 4: Simplify right side
    8,187,739.20x = 89,245,229,009,538.25
  5. Step 5: Solve for x
    x = 89,245,229,009,538.25/8,187,739.20
  6. Step 6: Final answer
    x = 10,899,862.20

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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.