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Finding the Fourth Proportional to 8,870,308.64, 12,241,023.64 and 5,002,821.08

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Solution

The fourth proportional to 8,870,308.64, 12,241,023.64 and 5,002,821.08 is: 6,903,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,308.64 : 12,241,023.64 = 5,002,821.08 : x
  2. Step 2: Convert to fraction form
    8,870,308.64/12,241,023.64 = 5,002,821.08/x
  3. Step 3: Cross multiply
    8,870,308.64x = 12,241,023.64 × 5,002,821.08
  4. Step 4: Simplify right side
    8,870,308.64x = 61,239,651,033,258.16
  5. Step 5: Solve for x
    x = 61,239,651,033,258.16/8,870,308.64
  6. Step 6: Final answer
    x = 6,903,891.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.