Home / 7,129,235.26-9,838,347.25-3,866,049.12

Finding the Fourth Proportional to 7,129,235.26, 9,838,347.25 and 3,866,049.12

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Solution

The fourth proportional to 7,129,235.26, 9,838,347.25 and 3,866,049.12 is: 5,335,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,235.26 : 9,838,347.25 = 3,866,049.12 : x
  2. Step 2: Convert to fraction form
    7,129,235.26/9,838,347.25 = 3,866,049.12/x
  3. Step 3: Cross multiply
    7,129,235.26x = 9,838,347.25 × 3,866,049.12
  4. Step 4: Simplify right side
    7,129,235.26x = 38,035,533,769,843.28
  5. Step 5: Solve for x
    x = 38,035,533,769,843.28/7,129,235.26
  6. Step 6: Final answer
    x = 5,335,149.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.