Home / 15,926,308.80-21,977,359.20-9,049,836.48

Finding the Fourth Proportional to 15,926,308.80, 21,977,359.20 and 9,049,836.48

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Solution

The fourth proportional to 15,926,308.80, 21,977,359.20 and 9,049,836.48 is: 12,488,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926,308.80 : 21,977,359.20 = 9,049,836.48 : x
  2. Step 2: Convert to fraction form
    15,926,308.80/21,977,359.20 = 9,049,836.48/x
  3. Step 3: Cross multiply
    15,926,308.80x = 21,977,359.20 × 9,049,836.48
  4. Step 4: Simplify right side
    15,926,308.80x = 198,891,507,022,223.62
  5. Step 5: Solve for x
    x = 198,891,507,022,223.62/15,926,308.80
  6. Step 6: Final answer
    x = 12,488,236.26

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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.