Home / 8,851,000.20-13,280,712.30-3,171,798.60

Finding the Fourth Proportional to 8,851,000.20, 13,280,712.30 and 3,171,798.60

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Solution

The fourth proportional to 8,851,000.20, 13,280,712.30 and 3,171,798.60 is: 4,759,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851,000.20 : 13,280,712.30 = 3,171,798.60 : x
  2. Step 2: Convert to fraction form
    8,851,000.20/13,280,712.30 = 3,171,798.60/x
  3. Step 3: Cross multiply
    8,851,000.20x = 13,280,712.30 × 3,171,798.60
  4. Step 4: Simplify right side
    8,851,000.20x = 42,123,744,680,142.78
  5. Step 5: Solve for x
    x = 42,123,744,680,142.78/8,851,000.20
  6. Step 6: Final answer
    x = 4,759,207.29

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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.