Home / 31,979,778.30-47,973,027.74-10,416,059.15

Finding the Fourth Proportional to 31,979,778.30, 47,973,027.74 and 10,416,059.15

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Solution

The fourth proportional to 31,979,778.30, 47,973,027.74 and 10,416,059.15 is: 15,625,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979,778.30 : 47,973,027.74 = 10,416,059.15 : x
  2. Step 2: Convert to fraction form
    31,979,778.30/47,973,027.74 = 10,416,059.15/x
  3. Step 3: Cross multiply
    31,979,778.30x = 47,973,027.74 × 10,416,059.15
  4. Step 4: Simplify right side
    31,979,778.30x = 499,689,894,252,485.38
  5. Step 5: Solve for x
    x = 499,689,894,252,485.38/31,979,778.30
  6. Step 6: Final answer
    x = 15,625,183.19

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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.