Home / 5,787,846.40-8,681,769.60-5,146,412.80

Finding the Fourth Proportional to 5,787,846.40, 8,681,769.60 and 5,146,412.80

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Solution

The fourth proportional to 5,787,846.40, 8,681,769.60 and 5,146,412.80 is: 7,719,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787,846.40 : 8,681,769.60 = 5,146,412.80 : x
  2. Step 2: Convert to fraction form
    5,787,846.40/8,681,769.60 = 5,146,412.80/x
  3. Step 3: Cross multiply
    5,787,846.40x = 8,681,769.60 × 5,146,412.80
  4. Step 4: Simplify right side
    5,787,846.40x = 44,679,970,196,090.88
  5. Step 5: Solve for x
    x = 44,679,970,196,090.88/5,787,846.40
  6. Step 6: Final answer
    x = 7,719,619.20

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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.