Home / 11,215,671.52-16,823,642.10-3,128,154.88

Finding the Fourth Proportional to 11,215,671.52, 16,823,642.10 and 3,128,154.88

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Solution

The fourth proportional to 11,215,671.52, 16,823,642.10 and 3,128,154.88 is: 4,692,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215,671.52 : 16,823,642.10 = 3,128,154.88 : x
  2. Step 2: Convert to fraction form
    11,215,671.52/16,823,642.10 = 3,128,154.88/x
  3. Step 3: Cross multiply
    11,215,671.52x = 16,823,642.10 × 3,128,154.88
  4. Step 4: Simplify right side
    11,215,671.52x = 52,626,958,134,488.45
  5. Step 5: Solve for x
    x = 52,626,958,134,488.45/11,215,671.52
  6. Step 6: Final answer
    x = 4,692,269.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.