Home / 10,867,340.40-16,301,010.60-8,156,991.30

Finding the Fourth Proportional to 10,867,340.40, 16,301,010.60 and 8,156,991.30

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Solution

The fourth proportional to 10,867,340.40, 16,301,010.60 and 8,156,991.30 is: 12,235,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,340.40 : 16,301,010.60 = 8,156,991.30 : x
  2. Step 2: Convert to fraction form
    10,867,340.40/16,301,010.60 = 8,156,991.30/x
  3. Step 3: Cross multiply
    10,867,340.40x = 16,301,010.60 × 8,156,991.30
  4. Step 4: Simplify right side
    10,867,340.40x = 132,967,201,645,407.78
  5. Step 5: Solve for x
    x = 132,967,201,645,407.78/10,867,340.40
  6. Step 6: Final answer
    x = 12,235,486.95

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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.