Home / 10,692,640.70-16,038,961.05-3,120,371.90

Finding the Fourth Proportional to 10,692,640.70, 16,038,961.05 and 3,120,371.90

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Solution

The fourth proportional to 10,692,640.70, 16,038,961.05 and 3,120,371.90 is: 4,680,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,640.70 : 16,038,961.05 = 3,120,371.90 : x
  2. Step 2: Convert to fraction form
    10,692,640.70/16,038,961.05 = 3,120,371.90/x
  3. Step 3: Cross multiply
    10,692,640.70x = 16,038,961.05 × 3,120,371.90
  4. Step 4: Simplify right side
    10,692,640.70x = 50,047,523,365,614.49
  5. Step 5: Solve for x
    x = 50,047,523,365,614.49/10,692,640.70
  6. Step 6: Final answer
    x = 4,680,557.85

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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.