Home / 5,459,470.20-8,189,205.30-5,388,611.40

Finding the Fourth Proportional to 5,459,470.20, 8,189,205.30 and 5,388,611.40

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Solution

The fourth proportional to 5,459,470.20, 8,189,205.30 and 5,388,611.40 is: 8,082,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,470.20 : 8,189,205.30 = 5,388,611.40 : x
  2. Step 2: Convert to fraction form
    5,459,470.20/8,189,205.30 = 5,388,611.40/x
  3. Step 3: Cross multiply
    5,459,470.20x = 8,189,205.30 × 5,388,611.40
  4. Step 4: Simplify right side
    5,459,470.20x = 44,128,445,036,520.42
  5. Step 5: Solve for x
    x = 44,128,445,036,520.42/5,459,470.20
  6. Step 6: Final answer
    x = 8,082,917.10

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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.