Home / 18,220,898.88-25,143,853.68-10,071,612

Finding the Fourth Proportional to 18,220,898.88, 25,143,853.68 and 10,071,612

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Solution

The fourth proportional to 18,220,898.88, 25,143,853.68 and 10,071,612 is: 13,898,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,898.88 : 25,143,853.68 = 10,071,612 : x
  2. Step 2: Convert to fraction form
    18,220,898.88/25,143,853.68 = 10,071,612/x
  3. Step 3: Cross multiply
    18,220,898.88x = 25,143,853.68 × 10,071,612
  4. Step 4: Simplify right side
    18,220,898.88x = 253,239,138,449,732.16
  5. Step 5: Solve for x
    x = 253,239,138,449,732.16/18,220,898.88
  6. Step 6: Final answer
    x = 13,898,279.12

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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.