Home / 31,565,334.89-47,312,586.61-20,656,513.28

Finding the Fourth Proportional to 31,565,334.89, 47,312,586.61 and 20,656,513.28

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Solution

The fourth proportional to 31,565,334.89, 47,312,586.61 and 20,656,513.28 is: 30,961,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565,334.89 : 47,312,586.61 = 20,656,513.28 : x
  2. Step 2: Convert to fraction form
    31,565,334.89/47,312,586.61 = 20,656,513.28/x
  3. Step 3: Cross multiply
    31,565,334.89x = 47,312,586.61 × 20,656,513.28
  4. Step 4: Simplify right side
    31,565,334.89x = 977,313,073,687,255.38
  5. Step 5: Solve for x
    x = 977,313,073,687,255.38/31,565,334.89
  6. Step 6: Final answer
    x = 30,961,593.69

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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.