Home / 31,512,926.72-47,207,687.52-28,085,343.68

Finding the Fourth Proportional to 31,512,926.72, 47,207,687.52 and 28,085,343.68

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Solution

The fourth proportional to 31,512,926.72, 47,207,687.52 and 28,085,343.68 is: 42,073,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512,926.72 : 47,207,687.52 = 28,085,343.68 : x
  2. Step 2: Convert to fraction form
    31,512,926.72/47,207,687.52 = 28,085,343.68/x
  3. Step 3: Cross multiply
    31,512,926.72x = 47,207,687.52 × 28,085,343.68
  4. Step 4: Simplify right side
    31,512,926.72x = 1,325,844,128,337,247
  5. Step 5: Solve for x
    x = 1,325,844,128,337,247/31,512,926.72
  6. Step 6: Final answer
    x = 42,073,024.19

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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.