Home / 31,503,375-47,263,034.12-8,784,272.25

Finding the Fourth Proportional to 31,503,375, 47,263,034.12 and 8,784,272.25

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Solution

The fourth proportional to 31,503,375, 47,263,034.12 and 8,784,272.25 is: 13,178,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,375 : 47,263,034.12 = 8,784,272.25 : x
  2. Step 2: Convert to fraction form
    31,503,375/47,263,034.12 = 8,784,272.25/x
  3. Step 3: Cross multiply
    31,503,375x = 47,263,034.12 × 8,784,272.25
  4. Step 4: Simplify right side
    31,503,375x = 415,171,359,027,197.81
  5. Step 5: Solve for x
    x = 415,171,359,027,197.81/31,503,375
  6. Step 6: Final answer
    x = 13,178,631.15

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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.