Home / 18,202,360.91-25,119,092.08-9,942,421.87

Finding the Fourth Proportional to 18,202,360.91, 25,119,092.08 and 9,942,421.87

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Solution

The fourth proportional to 18,202,360.91, 25,119,092.08 and 9,942,421.87 is: 13,720,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,360.91 : 25,119,092.08 = 9,942,421.87 : x
  2. Step 2: Convert to fraction form
    18,202,360.91/25,119,092.08 = 9,942,421.87/x
  3. Step 3: Cross multiply
    18,202,360.91x = 25,119,092.08 × 9,942,421.87
  4. Step 4: Simplify right side
    18,202,360.91x = 249,744,610,450,735.75
  5. Step 5: Solve for x
    x = 249,744,610,450,735.75/18,202,360.91
  6. Step 6: Final answer
    x = 13,720,451.52

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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.