Home / 10,887,402.12-16,328,667.50-3,209,408.88

Finding the Fourth Proportional to 10,887,402.12, 16,328,667.50 and 3,209,408.88

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Solution

The fourth proportional to 10,887,402.12, 16,328,667.50 and 3,209,408.88 is: 4,813,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,402.12 : 16,328,667.50 = 3,209,408.88 : x
  2. Step 2: Convert to fraction form
    10,887,402.12/16,328,667.50 = 3,209,408.88/x
  3. Step 3: Cross multiply
    10,887,402.12x = 16,328,667.50 × 3,209,408.88
  4. Step 4: Simplify right side
    10,887,402.12x = 52,405,370,473,067.40
  5. Step 5: Solve for x
    x = 52,405,370,473,067.40/10,887,402.12
  6. Step 6: Final answer
    x = 4,813,395.33

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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.