Home / 13,488,025.32-20,231,334.48-11,988,918.84

Finding the Fourth Proportional to 13,488,025.32, 20,231,334.48 and 11,988,918.84

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Solution

The fourth proportional to 13,488,025.32, 20,231,334.48 and 11,988,918.84 is: 17,982,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,025.32 : 20,231,334.48 = 11,988,918.84 : x
  2. Step 2: Convert to fraction form
    13,488,025.32/20,231,334.48 = 11,988,918.84/x
  3. Step 3: Cross multiply
    13,488,025.32x = 20,231,334.48 × 11,988,918.84
  4. Step 4: Simplify right side
    13,488,025.32x = 242,551,827,105,613.59
  5. Step 5: Solve for x
    x = 242,551,827,105,613.59/13,488,025.32
  6. Step 6: Final answer
    x = 17,982,752.95

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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.