Home / 13,486,541.40-20,229,812.10-8,942,720.85

Finding the Fourth Proportional to 13,486,541.40, 20,229,812.10 and 8,942,720.85

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Solution

The fourth proportional to 13,486,541.40, 20,229,812.10 and 8,942,720.85 is: 13,414,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,541.40 : 20,229,812.10 = 8,942,720.85 : x
  2. Step 2: Convert to fraction form
    13,486,541.40/20,229,812.10 = 8,942,720.85/x
  3. Step 3: Cross multiply
    13,486,541.40x = 20,229,812.10 × 8,942,720.85
  4. Step 4: Simplify right side
    13,486,541.40x = 180,909,562,458,252.28
  5. Step 5: Solve for x
    x = 180,909,562,458,252.28/13,486,541.40
  6. Step 6: Final answer
    x = 13,414,081.28

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1.5x scale

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.