Home / 18,502,747.93-25,534,094.57-10,129,978.09

Finding the Fourth Proportional to 18,502,747.93, 25,534,094.57 and 10,129,978.09

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Solution

The fourth proportional to 18,502,747.93, 25,534,094.57 and 10,129,978.09 is: 13,979,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,747.93 : 25,534,094.57 = 10,129,978.09 : x
  2. Step 2: Convert to fraction form
    18,502,747.93/25,534,094.57 = 10,129,978.09/x
  3. Step 3: Cross multiply
    18,502,747.93x = 25,534,094.57 × 10,129,978.09
  4. Step 4: Simplify right side
    18,502,747.93x = 258,659,818,491,438.09
  5. Step 5: Solve for x
    x = 258,659,818,491,438.09/18,502,747.93
  6. Step 6: Final answer
    x = 13,979,535.34

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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.