Home / 12,160,933.32-16,781,829.30-6,654,286.92

Finding the Fourth Proportional to 12,160,933.32, 16,781,829.30 and 6,654,286.92

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Solution

The fourth proportional to 12,160,933.32, 16,781,829.30 and 6,654,286.92 is: 9,182,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160,933.32 : 16,781,829.30 = 6,654,286.92 : x
  2. Step 2: Convert to fraction form
    12,160,933.32/16,781,829.30 = 6,654,286.92/x
  3. Step 3: Cross multiply
    12,160,933.32x = 16,781,829.30 × 6,654,286.92
  4. Step 4: Simplify right side
    12,160,933.32x = 111,671,107,204,662.77
  5. Step 5: Solve for x
    x = 111,671,107,204,662.77/12,160,933.32
  6. Step 6: Final answer
    x = 9,182,774.40

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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.