Home / 6,391,377.60-9,587,066.40-5,812,843.20

Finding the Fourth Proportional to 6,391,377.60, 9,587,066.40 and 5,812,843.20

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Solution

The fourth proportional to 6,391,377.60, 9,587,066.40 and 5,812,843.20 is: 8,719,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,377.60 : 9,587,066.40 = 5,812,843.20 : x
  2. Step 2: Convert to fraction form
    6,391,377.60/9,587,066.40 = 5,812,843.20/x
  3. Step 3: Cross multiply
    6,391,377.60x = 9,587,066.40 × 5,812,843.20
  4. Step 4: Simplify right side
    6,391,377.60x = 55,728,113,731,188.48
  5. Step 5: Solve for x
    x = 55,728,113,731,188.48/6,391,377.60
  6. Step 6: Final answer
    x = 8,719,264.80

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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.