Home / 18,502,723.38-25,534,060.56-10,129,953.45

Finding the Fourth Proportional to 18,502,723.38, 25,534,060.56 and 10,129,953.45

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Solution

The fourth proportional to 18,502,723.38, 25,534,060.56 and 10,129,953.45 is: 13,979,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,723.38 : 25,534,060.56 = 10,129,953.45 : x
  2. Step 2: Convert to fraction form
    18,502,723.38/25,534,060.56 = 10,129,953.45/x
  3. Step 3: Cross multiply
    18,502,723.38x = 25,534,060.56 × 10,129,953.45
  4. Step 4: Simplify right side
    18,502,723.38x = 258,658,844,862,280.91
  5. Step 5: Solve for x
    x = 258,658,844,862,280.91/18,502,723.38
  6. Step 6: Final answer
    x = 13,979,501.26

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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.