Home / 18,397,187.70-27,595,781.55-15,527,406.30

Finding the Fourth Proportional to 18,397,187.70, 27,595,781.55 and 15,527,406.30

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Solution

The fourth proportional to 18,397,187.70, 27,595,781.55 and 15,527,406.30 is: 23,291,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,187.70 : 27,595,781.55 = 15,527,406.30 : x
  2. Step 2: Convert to fraction form
    18,397,187.70/27,595,781.55 = 15,527,406.30/x
  3. Step 3: Cross multiply
    18,397,187.70x = 27,595,781.55 × 15,527,406.30
  4. Step 4: Simplify right side
    18,397,187.70x = 428,490,912,292,893.81
  5. Step 5: Solve for x
    x = 428,490,912,292,893.81/18,397,187.70
  6. Step 6: Final answer
    x = 23,291,109.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.