Home / 31,595,220.40-47,392,830.60-8,876,117.65

Finding the Fourth Proportional to 31,595,220.40, 47,392,830.60 and 8,876,117.65

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Solution

The fourth proportional to 31,595,220.40, 47,392,830.60 and 8,876,117.65 is: 13,314,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595,220.40 : 47,392,830.60 = 8,876,117.65 : x
  2. Step 2: Convert to fraction form
    31,595,220.40/47,392,830.60 = 8,876,117.65/x
  3. Step 3: Cross multiply
    31,595,220.40x = 47,392,830.60 × 8,876,117.65
  4. Step 4: Simplify right side
    31,595,220.40x = 420,664,340,172,120.12
  5. Step 5: Solve for x
    x = 420,664,340,172,120.12/31,595,220.40
  6. Step 6: Final answer
    x = 13,314,176.48

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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.