Home / 8,503,510.92-12,749,285.76-3,949,724.88

Finding the Fourth Proportional to 8,503,510.92, 12,749,285.76 and 3,949,724.88

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Solution

The fourth proportional to 8,503,510.92, 12,749,285.76 and 3,949,724.88 is: 5,921,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,510.92 : 12,749,285.76 = 3,949,724.88 : x
  2. Step 2: Convert to fraction form
    8,503,510.92/12,749,285.76 = 3,949,724.88/x
  3. Step 3: Cross multiply
    8,503,510.92x = 12,749,285.76 × 3,949,724.88
  4. Step 4: Simplify right side
    8,503,510.92x = 50,356,171,168,501.70
  5. Step 5: Solve for x
    x = 50,356,171,168,501.70/8,503,510.92
  6. Step 6: Final answer
    x = 5,921,809.43

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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.