Home / 7,129,010.40-10,704,013.20-5,533,375.20

Finding the Fourth Proportional to 7,129,010.40, 10,704,013.20 and 5,533,375.20

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Solution

The fourth proportional to 7,129,010.40, 10,704,013.20 and 5,533,375.20 is: 8,308,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,010.40 : 10,704,013.20 = 5,533,375.20 : x
  2. Step 2: Convert to fraction form
    7,129,010.40/10,704,013.20 = 5,533,375.20/x
  3. Step 3: Cross multiply
    7,129,010.40x = 10,704,013.20 × 5,533,375.20
  4. Step 4: Simplify right side
    7,129,010.40x = 59,229,321,181,352.64
  5. Step 5: Solve for x
    x = 59,229,321,181,352.64/7,129,010.40
  6. Step 6: Final answer
    x = 8,308,210.80

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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.