Home / 19,989,959.33-29,986,768.89-5,612,930.15

Finding the Fourth Proportional to 19,989,959.33, 29,986,768.89 and 5,612,930.15

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Solution

The fourth proportional to 19,989,959.33, 29,986,768.89 and 5,612,930.15 is: 8,419,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,959.33 : 29,986,768.89 = 5,612,930.15 : x
  2. Step 2: Convert to fraction form
    19,989,959.33/29,986,768.89 = 5,612,930.15/x
  3. Step 3: Cross multiply
    19,989,959.33x = 29,986,768.89 × 5,612,930.15
  4. Step 4: Simplify right side
    19,989,959.33x = 168,313,639,053,829.19
  5. Step 5: Solve for x
    x = 168,313,639,053,829.19/19,989,959.33
  6. Step 6: Final answer
    x = 8,419,909.03

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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.