Home / 13,028,432.40-19,542,648.60-9,669,200.40

Finding the Fourth Proportional to 13,028,432.40, 19,542,648.60 and 9,669,200.40

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Solution

The fourth proportional to 13,028,432.40, 19,542,648.60 and 9,669,200.40 is: 14,503,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,432.40 : 19,542,648.60 = 9,669,200.40 : x
  2. Step 2: Convert to fraction form
    13,028,432.40/19,542,648.60 = 9,669,200.40/x
  3. Step 3: Cross multiply
    13,028,432.40x = 19,542,648.60 × 9,669,200.40
  4. Step 4: Simplify right side
    13,028,432.40x = 188,961,785,660,179.47
  5. Step 5: Solve for x
    x = 188,961,785,660,179.47/13,028,432.40
  6. Step 6: Final answer
    x = 14,503,800.60

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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.