Home / 31,369,966.60-47,054,949.90-8,340,856.60

Finding the Fourth Proportional to 31,369,966.60, 47,054,949.90 and 8,340,856.60

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Solution

The fourth proportional to 31,369,966.60, 47,054,949.90 and 8,340,856.60 is: 12,511,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369,966.60 : 47,054,949.90 = 8,340,856.60 : x
  2. Step 2: Convert to fraction form
    31,369,966.60/47,054,949.90 = 8,340,856.60/x
  3. Step 3: Cross multiply
    31,369,966.60x = 47,054,949.90 × 8,340,856.60
  4. Step 4: Simplify right side
    31,369,966.60x = 392,478,589,436,084.31
  5. Step 5: Solve for x
    x = 392,478,589,436,084.31/31,369,966.60
  6. Step 6: Final answer
    x = 12,511,284.90

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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.