Home / 31,940,800.20-47,911,200.30-8,911,690.20

Finding the Fourth Proportional to 31,940,800.20, 47,911,200.30 and 8,911,690.20

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Solution

The fourth proportional to 31,940,800.20, 47,911,200.30 and 8,911,690.20 is: 13,367,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940,800.20 : 47,911,200.30 = 8,911,690.20 : x
  2. Step 2: Convert to fraction form
    31,940,800.20/47,911,200.30 = 8,911,690.20/x
  3. Step 3: Cross multiply
    31,940,800.20x = 47,911,200.30 × 8,911,690.20
  4. Step 4: Simplify right side
    31,940,800.20x = 426,969,774,183,747
  5. Step 5: Solve for x
    x = 426,969,774,183,747/31,940,800.20
  6. Step 6: Final answer
    x = 13,367,535.30

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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.