Home / 11,148,572.20-16,722,858.30-8,909,084.20

Finding the Fourth Proportional to 11,148,572.20, 16,722,858.30 and 8,909,084.20

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Solution

The fourth proportional to 11,148,572.20, 16,722,858.30 and 8,909,084.20 is: 13,363,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148,572.20 : 16,722,858.30 = 8,909,084.20 : x
  2. Step 2: Convert to fraction form
    11,148,572.20/16,722,858.30 = 8,909,084.20/x
  3. Step 3: Cross multiply
    11,148,572.20x = 16,722,858.30 × 8,909,084.20
  4. Step 4: Simplify right side
    11,148,572.20x = 148,985,352,659,368.84
  5. Step 5: Solve for x
    x = 148,985,352,659,368.84/11,148,572.20
  6. Step 6: Final answer
    x = 13,363,626.30

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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.