Home / 9,831,400.38-13,568,930.65-5,915,114.87

Finding the Fourth Proportional to 9,831,400.38, 13,568,930.65 and 5,915,114.87

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Solution

The fourth proportional to 9,831,400.38, 13,568,930.65 and 5,915,114.87 is: 8,163,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831,400.38 : 13,568,930.65 = 5,915,114.87 : x
  2. Step 2: Convert to fraction form
    9,831,400.38/13,568,930.65 = 5,915,114.87/x
  3. Step 3: Cross multiply
    9,831,400.38x = 13,568,930.65 × 5,915,114.87
  4. Step 4: Simplify right side
    9,831,400.38x = 80,261,783,457,813.77
  5. Step 5: Solve for x
    x = 80,261,783,457,813.77/9,831,400.38
  6. Step 6: Final answer
    x = 8,163,820.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.