Home / 18,502,702.85-25,534,032.23-10,129,932.94

Finding the Fourth Proportional to 18,502,702.85, 25,534,032.23 and 10,129,932.94

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Solution

The fourth proportional to 18,502,702.85, 25,534,032.23 and 10,129,932.94 is: 13,979,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,702.85 : 25,534,032.23 = 10,129,932.94 : x
  2. Step 2: Convert to fraction form
    18,502,702.85/25,534,032.23 = 10,129,932.94/x
  3. Step 3: Cross multiply
    18,502,702.85x = 25,534,032.23 × 10,129,932.94
  4. Step 4: Simplify right side
    18,502,702.85x = 258,658,034,177,698.66
  5. Step 5: Solve for x
    x = 258,658,034,177,698.66/18,502,702.85
  6. Step 6: Final answer
    x = 13,979,472.96

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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.