Home / 15,275,829.12-21,080,795.04-8,400,359.04

Finding the Fourth Proportional to 15,275,829.12, 21,080,795.04 and 8,400,359.04

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Solution

The fourth proportional to 15,275,829.12, 21,080,795.04 and 8,400,359.04 is: 11,592,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275,829.12 : 21,080,795.04 = 8,400,359.04 : x
  2. Step 2: Convert to fraction form
    15,275,829.12/21,080,795.04 = 8,400,359.04/x
  3. Step 3: Cross multiply
    15,275,829.12x = 21,080,795.04 × 8,400,359.04
  4. Step 4: Simplify right side
    15,275,829.12x = 177,086,247,184,651.12
  5. Step 5: Solve for x
    x = 177,086,247,184,651.12/15,275,829.12
  6. Step 6: Final answer
    x = 11,592,578.43

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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.