Home / 8,639,129.37-12,957,275.52-2,881,907.22

Finding the Fourth Proportional to 8,639,129.37, 12,957,275.52 and 2,881,907.22

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Solution

The fourth proportional to 8,639,129.37, 12,957,275.52 and 2,881,907.22 is: 4,322,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,129.37 : 12,957,275.52 = 2,881,907.22 : x
  2. Step 2: Convert to fraction form
    8,639,129.37/12,957,275.52 = 2,881,907.22/x
  3. Step 3: Cross multiply
    8,639,129.37x = 12,957,275.52 × 2,881,907.22
  4. Step 4: Simplify right side
    8,639,129.37x = 37,341,665,872,617.26
  5. Step 5: Solve for x
    x = 37,341,665,872,617.26/8,639,129.37
  6. Step 6: Final answer
    x = 4,322,387.62

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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.