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Finding the Fourth Proportional to 9,216,978.85, 13,827,251.91 and 3,536,761.51

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Solution

The fourth proportional to 9,216,978.85, 13,827,251.91 and 3,536,761.51 is: 5,305,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216,978.85 : 13,827,251.91 = 3,536,761.51 : x
  2. Step 2: Convert to fraction form
    9,216,978.85/13,827,251.91 = 3,536,761.51/x
  3. Step 3: Cross multiply
    9,216,978.85x = 13,827,251.91 × 3,536,761.51
  4. Step 4: Simplify right side
    9,216,978.85x = 48,903,692,275,225.73
  5. Step 5: Solve for x
    x = 48,903,692,275,225.73/9,216,978.85
  6. Step 6: Final answer
    x = 5,305,826.68

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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.