Home / 12,571,417.20-18,829,132.20-10,891,801.20

Finding the Fourth Proportional to 12,571,417.20, 18,829,132.20 and 10,891,801.20

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Solution

The fourth proportional to 12,571,417.20, 18,829,132.20 and 10,891,801.20 is: 16,313,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,417.20 : 18,829,132.20 = 10,891,801.20 : x
  2. Step 2: Convert to fraction form
    12,571,417.20/18,829,132.20 = 10,891,801.20/x
  3. Step 3: Cross multiply
    12,571,417.20x = 18,829,132.20 × 10,891,801.20
  4. Step 4: Simplify right side
    12,571,417.20x = 205,083,164,690,918.62
  5. Step 5: Solve for x
    x = 205,083,164,690,918.62/12,571,417.20
  6. Step 6: Final answer
    x = 16,313,448.31

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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.