Home / 18,579,128.46-27,873,737.49-5,625,713.70

Finding the Fourth Proportional to 18,579,128.46, 27,873,737.49 and 5,625,713.70

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Solution

The fourth proportional to 18,579,128.46, 27,873,737.49 and 5,625,713.70 is: 8,440,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579,128.46 : 27,873,737.49 = 5,625,713.70 : x
  2. Step 2: Convert to fraction form
    18,579,128.46/27,873,737.49 = 5,625,713.70/x
  3. Step 3: Cross multiply
    18,579,128.46x = 27,873,737.49 × 5,625,713.70
  4. Step 4: Simplify right side
    18,579,128.46x = 156,809,666,867,696.59
  5. Step 5: Solve for x
    x = 156,809,666,867,696.59/18,579,128.46
  6. Step 6: Final answer
    x = 8,440,098.10

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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.