Home / 8,751,231.20-13,105,851.60-4,258,258.40

Finding the Fourth Proportional to 8,751,231.20, 13,105,851.60 and 4,258,258.40

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Solution

The fourth proportional to 8,751,231.20, 13,105,851.60 and 4,258,258.40 is: 6,377,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751,231.20 : 13,105,851.60 = 4,258,258.40 : x
  2. Step 2: Convert to fraction form
    8,751,231.20/13,105,851.60 = 4,258,258.40/x
  3. Step 3: Cross multiply
    8,751,231.20x = 13,105,851.60 × 4,258,258.40
  4. Step 4: Simplify right side
    8,751,231.20x = 55,808,102,664,853.45
  5. Step 5: Solve for x
    x = 55,808,102,664,853.45/8,751,231.20
  6. Step 6: Final answer
    x = 6,377,171.55

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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.