Home / 6,120,954.40-9,181,431.60-5,412,366.40

Finding the Fourth Proportional to 6,120,954.40, 9,181,431.60 and 5,412,366.40

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Solution

The fourth proportional to 6,120,954.40, 9,181,431.60 and 5,412,366.40 is: 8,118,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,954.40 : 9,181,431.60 = 5,412,366.40 : x
  2. Step 2: Convert to fraction form
    6,120,954.40/9,181,431.60 = 5,412,366.40/x
  3. Step 3: Cross multiply
    6,120,954.40x = 9,181,431.60 × 5,412,366.40
  4. Step 4: Simplify right side
    6,120,954.40x = 49,693,271,895,738.24
  5. Step 5: Solve for x
    x = 49,693,271,895,738.24/6,120,954.40
  6. Step 6: Final answer
    x = 8,118,549.60

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Double scale
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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.