Home / 18,502,715.48-25,534,049.65-10,129,945.55

Finding the Fourth Proportional to 18,502,715.48, 25,534,049.65 and 10,129,945.55

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Solution

The fourth proportional to 18,502,715.48, 25,534,049.65 and 10,129,945.55 is: 13,979,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,715.48 : 25,534,049.65 = 10,129,945.55 : x
  2. Step 2: Convert to fraction form
    18,502,715.48/25,534,049.65 = 10,129,945.55/x
  3. Step 3: Cross multiply
    18,502,715.48x = 25,534,049.65 × 10,129,945.55
  4. Step 4: Simplify right side
    18,502,715.48x = 258,658,532,472,501.44
  5. Step 5: Solve for x
    x = 258,658,532,472,501.44/18,502,715.48
  6. Step 6: Final answer
    x = 13,979,490.35

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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.