Home / 10,872,138.60-16,294,211.10-8,335,218.60

Finding the Fourth Proportional to 10,872,138.60, 16,294,211.10 and 8,335,218.60

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Solution

The fourth proportional to 10,872,138.60, 16,294,211.10 and 8,335,218.60 is: 12,492,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,138.60 : 16,294,211.10 = 8,335,218.60 : x
  2. Step 2: Convert to fraction form
    10,872,138.60/16,294,211.10 = 8,335,218.60/x
  3. Step 3: Cross multiply
    10,872,138.60x = 16,294,211.10 × 8,335,218.60
  4. Step 4: Simplify right side
    10,872,138.60x = 135,815,811,433,046.45
  5. Step 5: Solve for x
    x = 135,815,811,433,046.45/10,872,138.60
  6. Step 6: Final answer
    x = 12,492,097.13

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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.