Home / 8,485,681.92-12,713,670.72-5,781,228

Finding the Fourth Proportional to 8,485,681.92, 12,713,670.72 and 5,781,228

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Solution

The fourth proportional to 8,485,681.92, 12,713,670.72 and 5,781,228 is: 8,661,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485,681.92 : 12,713,670.72 = 5,781,228 : x
  2. Step 2: Convert to fraction form
    8,485,681.92/12,713,670.72 = 5,781,228/x
  3. Step 3: Cross multiply
    8,485,681.92x = 12,713,670.72 × 5,781,228
  4. Step 4: Simplify right side
    8,485,681.92x = 73,500,629,149,244.16
  5. Step 5: Solve for x
    x = 73,500,629,149,244.16/8,485,681.92
  6. Step 6: Final answer
    x = 8,661,723.34

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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.