Home / 12,125,946.40-18,188,919.60-10,930,204.15

Finding the Fourth Proportional to 12,125,946.40, 18,188,919.60 and 10,930,204.15

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Solution

The fourth proportional to 12,125,946.40, 18,188,919.60 and 10,930,204.15 is: 16,395,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125,946.40 : 18,188,919.60 = 10,930,204.15 : x
  2. Step 2: Convert to fraction form
    12,125,946.40/18,188,919.60 = 10,930,204.15/x
  3. Step 3: Cross multiply
    12,125,946.40x = 18,188,919.60 × 10,930,204.15
  4. Step 4: Simplify right side
    12,125,946.40x = 198,808,604,495,936.38
  5. Step 5: Solve for x
    x = 198,808,604,495,936.38/12,125,946.40
  6. Step 6: Final answer
    x = 16,395,306.23

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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.