Home / 13,057,411.88-18,000,237.11-9,124,959.15

Finding the Fourth Proportional to 13,057,411.88, 18,000,237.11 and 9,124,959.15

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Solution

The fourth proportional to 13,057,411.88, 18,000,237.11 and 9,124,959.15 is: 12,579,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,411.88 : 18,000,237.11 = 9,124,959.15 : x
  2. Step 2: Convert to fraction form
    13,057,411.88/18,000,237.11 = 9,124,959.15/x
  3. Step 3: Cross multiply
    13,057,411.88x = 18,000,237.11 × 9,124,959.15
  4. Step 4: Simplify right side
    13,057,411.88x = 164,251,428,273,439.28
  5. Step 5: Solve for x
    x = 164,251,428,273,439.28/13,057,411.88
  6. Step 6: Final answer
    x = 12,579,171.88

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1.5x scale

Why These Related Problems?

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