Home / 8,342,154.80-12,513,232.20-3,550,000.40

Finding the Fourth Proportional to 8,342,154.80, 12,513,232.20 and 3,550,000.40

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Solution

The fourth proportional to 8,342,154.80, 12,513,232.20 and 3,550,000.40 is: 5,325,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,154.80 : 12,513,232.20 = 3,550,000.40 : x
  2. Step 2: Convert to fraction form
    8,342,154.80/12,513,232.20 = 3,550,000.40/x
  3. Step 3: Cross multiply
    8,342,154.80x = 12,513,232.20 × 3,550,000.40
  4. Step 4: Simplify right side
    8,342,154.80x = 44,421,979,315,292.88
  5. Step 5: Solve for x
    x = 44,421,979,315,292.88/8,342,154.80
  6. Step 6: Final answer
    x = 5,325,000.60

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Double scale
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Similar ratio
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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.