Home / 8,165,963.96-12,240,711.87-5,135,495.57

Finding the Fourth Proportional to 8,165,963.96, 12,240,711.87 and 5,135,495.57

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Solution

The fourth proportional to 8,165,963.96, 12,240,711.87 and 5,135,495.57 is: 7,698,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165,963.96 : 12,240,711.87 = 5,135,495.57 : x
  2. Step 2: Convert to fraction form
    8,165,963.96/12,240,711.87 = 5,135,495.57/x
  3. Step 3: Cross multiply
    8,165,963.96x = 12,240,711.87 × 5,135,495.57
  4. Step 4: Simplify right side
    8,165,963.96x = 62,862,121,582,031.41
  5. Step 5: Solve for x
    x = 62,862,121,582,031.41/8,165,963.96
  6. Step 6: Final answer
    x = 7,698,065.03

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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.