Home / 18,217,398.35-25,139,988.73-9,957,514.88

Finding the Fourth Proportional to 18,217,398.35, 25,139,988.73 and 9,957,514.88

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Solution

The fourth proportional to 18,217,398.35, 25,139,988.73 and 9,957,514.88 is: 13,741,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,398.35 : 25,139,988.73 = 9,957,514.88 : x
  2. Step 2: Convert to fraction form
    18,217,398.35/25,139,988.73 = 9,957,514.88/x
  3. Step 3: Cross multiply
    18,217,398.35x = 25,139,988.73 × 9,957,514.88
  4. Step 4: Simplify right side
    18,217,398.35x = 250,331,811,937,304.16
  5. Step 5: Solve for x
    x = 250,331,811,937,304.16/18,217,398.35
  6. Step 6: Final answer
    x = 13,741,359.06

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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.