Home / 15,194,422.13-20,968,352.71-8,225,097.79

Finding the Fourth Proportional to 15,194,422.13, 20,968,352.71 and 8,225,097.79

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Solution

The fourth proportional to 15,194,422.13, 20,968,352.71 and 8,225,097.79 is: 11,350,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,422.13 : 20,968,352.71 = 8,225,097.79 : x
  2. Step 2: Convert to fraction form
    15,194,422.13/20,968,352.71 = 8,225,097.79/x
  3. Step 3: Cross multiply
    15,194,422.13x = 20,968,352.71 × 8,225,097.79
  4. Step 4: Simplify right side
    15,194,422.13x = 172,466,751,618,097.69
  5. Step 5: Solve for x
    x = 172,466,751,618,097.69/15,194,422.13
  6. Step 6: Final answer
    x = 11,350,662.11

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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.