Home / 18,204,515.76-25,121,223.48-9,942,933.12

Finding the Fourth Proportional to 18,204,515.76, 25,121,223.48 and 9,942,933.12

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Solution

The fourth proportional to 18,204,515.76, 25,121,223.48 and 9,942,933.12 is: 13,720,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204,515.76 : 25,121,223.48 = 9,942,933.12 : x
  2. Step 2: Convert to fraction form
    18,204,515.76/25,121,223.48 = 9,942,933.12/x
  3. Step 3: Cross multiply
    18,204,515.76x = 25,121,223.48 × 9,942,933.12
  4. Step 4: Simplify right side
    18,204,515.76x = 249,778,644,954,213.66
  5. Step 5: Solve for x
    x = 249,778,644,954,213.66/18,204,515.76
  6. Step 6: Final answer
    x = 13,720,697.01

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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.