Home / 12,288,228-16,957,719.54-6,781,562.88

Finding the Fourth Proportional to 12,288,228, 16,957,719.54 and 6,781,562.88

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Solution

The fourth proportional to 12,288,228, 16,957,719.54 and 6,781,562.88 is: 9,358,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,228 : 16,957,719.54 = 6,781,562.88 : x
  2. Step 2: Convert to fraction form
    12,288,228/16,957,719.54 = 6,781,562.88/x
  3. Step 3: Cross multiply
    12,288,228x = 16,957,719.54 × 6,781,562.88
  4. Step 4: Simplify right side
    12,288,228x = 114,999,841,361,914.67
  5. Step 5: Solve for x
    x = 114,999,841,361,914.67/12,288,228
  6. Step 6: Final answer
    x = 9,358,537.40

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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.