Home / 15,204,882.24-20,982,570.48-8,235,386.52

Finding the Fourth Proportional to 15,204,882.24, 20,982,570.48 and 8,235,386.52

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Solution

The fourth proportional to 15,204,882.24, 20,982,570.48 and 8,235,386.52 is: 11,364,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,882.24 : 20,982,570.48 = 8,235,386.52 : x
  2. Step 2: Convert to fraction form
    15,204,882.24/20,982,570.48 = 8,235,386.52/x
  3. Step 3: Cross multiply
    15,204,882.24x = 20,982,570.48 × 8,235,386.52
  4. Step 4: Simplify right side
    15,204,882.24x = 172,799,578,085,941.94
  5. Step 5: Solve for x
    x = 172,799,578,085,941.94/15,204,882.24
  6. Step 6: Final answer
    x = 11,364,742.94

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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.