Home / 15,083,894.43-20,814,078.51-8,888,538.96

Finding the Fourth Proportional to 15,083,894.43, 20,814,078.51 and 8,888,538.96

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Solution

The fourth proportional to 15,083,894.43, 20,814,078.51 and 8,888,538.96 is: 12,265,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,894.43 : 20,814,078.51 = 8,888,538.96 : x
  2. Step 2: Convert to fraction form
    15,083,894.43/20,814,078.51 = 8,888,538.96/x
  3. Step 3: Cross multiply
    15,083,894.43x = 20,814,078.51 × 8,888,538.96
  4. Step 4: Simplify right side
    15,083,894.43x = 185,006,747,752,633.78
  5. Step 5: Solve for x
    x = 185,006,747,752,633.78/15,083,894.43
  6. Step 6: Final answer
    x = 12,265,184.47

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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.