Home / 8,543,280.40-12,814,920.60-5,358,230.80

Finding the Fourth Proportional to 8,543,280.40, 12,814,920.60 and 5,358,230.80

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Solution

The fourth proportional to 8,543,280.40, 12,814,920.60 and 5,358,230.80 is: 8,037,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,280.40 : 12,814,920.60 = 5,358,230.80 : x
  2. Step 2: Convert to fraction form
    8,543,280.40/12,814,920.60 = 5,358,230.80/x
  3. Step 3: Cross multiply
    8,543,280.40x = 12,814,920.60 × 5,358,230.80
  4. Step 4: Simplify right side
    8,543,280.40x = 68,665,302,258,474.48
  5. Step 5: Solve for x
    x = 68,665,302,258,474.48/8,543,280.40
  6. Step 6: Final answer
    x = 8,037,346.20

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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.