Home / 8,165,719.70-12,248,579.55-3,914,191.70

Finding the Fourth Proportional to 8,165,719.70, 12,248,579.55 and 3,914,191.70

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Solution

The fourth proportional to 8,165,719.70, 12,248,579.55 and 3,914,191.70 is: 5,871,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165,719.70 : 12,248,579.55 = 3,914,191.70 : x
  2. Step 2: Convert to fraction form
    8,165,719.70/12,248,579.55 = 3,914,191.70/x
  3. Step 3: Cross multiply
    8,165,719.70x = 12,248,579.55 × 3,914,191.70
  4. Step 4: Simplify right side
    8,165,719.70x = 47,943,288,411,399.74
  5. Step 5: Solve for x
    x = 47,943,288,411,399.74/8,165,719.70
  6. Step 6: Final answer
    x = 5,871,287.55

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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.