Home / 18,245,195.31-25,178,379.33-9,985,252.76

Finding the Fourth Proportional to 18,245,195.31, 25,178,379.33 and 9,985,252.76

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Solution

The fourth proportional to 18,245,195.31, 25,178,379.33 and 9,985,252.76 is: 13,779,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,195.31 : 25,178,379.33 = 9,985,252.76 : x
  2. Step 2: Convert to fraction form
    18,245,195.31/25,178,379.33 = 9,985,252.76/x
  3. Step 3: Cross multiply
    18,245,195.31x = 25,178,379.33 × 9,985,252.76
  4. Step 4: Simplify right side
    18,245,195.31x = 251,412,481,571,317.56
  5. Step 5: Solve for x
    x = 251,412,481,571,317.56/18,245,195.31
  6. Step 6: Final answer
    x = 13,779,654.17

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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.