Home / 16,120,413-22,245,851.61-8,778,333.24

Finding the Fourth Proportional to 16,120,413, 22,245,851.61 and 8,778,333.24

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Solution

The fourth proportional to 16,120,413, 22,245,851.61 and 8,778,333.24 is: 12,113,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120,413 : 22,245,851.61 = 8,778,333.24 : x
  2. Step 2: Convert to fraction form
    16,120,413/22,245,851.61 = 8,778,333.24/x
  3. Step 3: Cross multiply
    16,120,413x = 22,245,851.61 × 8,778,333.24
  4. Step 4: Simplify right side
    16,120,413x = 195,281,498,640,170.53
  5. Step 5: Solve for x
    x = 195,281,498,640,170.53/16,120,413
  6. Step 6: Final answer
    x = 12,113,926.53

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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.