Home / 5,430,609.30-8,138,915.55-4,162,149.30

Finding the Fourth Proportional to 5,430,609.30, 8,138,915.55 and 4,162,149.30

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Solution

The fourth proportional to 5,430,609.30, 8,138,915.55 and 4,162,149.30 is: 6,237,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,609.30 : 8,138,915.55 = 4,162,149.30 : x
  2. Step 2: Convert to fraction form
    5,430,609.30/8,138,915.55 = 4,162,149.30/x
  3. Step 3: Cross multiply
    5,430,609.30x = 8,138,915.55 × 4,162,149.30
  4. Step 4: Simplify right side
    5,430,609.30x = 33,875,381,659,191.61
  5. Step 5: Solve for x
    x = 33,875,381,659,191.61/5,430,609.30
  6. Step 6: Final answer
    x = 6,237,860.21

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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.