Home / 18,203,690.88-25,120,613.76-10,054,753.92

Finding the Fourth Proportional to 18,203,690.88, 25,120,613.76 and 10,054,753.92

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Solution

The fourth proportional to 18,203,690.88, 25,120,613.76 and 10,054,753.92 is: 13,875,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,690.88 : 25,120,613.76 = 10,054,753.92 : x
  2. Step 2: Convert to fraction form
    18,203,690.88/25,120,613.76 = 10,054,753.92/x
  3. Step 3: Cross multiply
    18,203,690.88x = 25,120,613.76 × 10,054,753.92
  4. Step 4: Simplify right side
    18,203,690.88x = 252,581,589,676,165.97
  5. Step 5: Solve for x
    x = 252,581,589,676,165.97/18,203,690.88
  6. Step 6: Final answer
    x = 13,875,295.47

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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.