Home / 15,207,599.07-20,986,396.92-8,238,409.43

Finding the Fourth Proportional to 15,207,599.07, 20,986,396.92 and 8,238,409.43

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Solution

The fourth proportional to 15,207,599.07, 20,986,396.92 and 8,238,409.43 is: 11,368,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207,599.07 : 20,986,396.92 = 8,238,409.43 : x
  2. Step 2: Convert to fraction form
    15,207,599.07/20,986,396.92 = 8,238,409.43/x
  3. Step 3: Cross multiply
    15,207,599.07x = 20,986,396.92 × 8,238,409.43
  4. Step 4: Simplify right side
    15,207,599.07x = 172,894,530,182,518.97
  5. Step 5: Solve for x
    x = 172,894,530,182,518.97/15,207,599.07
  6. Step 6: Final answer
    x = 11,368,956.36

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1.5x scale

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.