Home / 31,637,414.46-47,456,121.69-30,021,833.82

Finding the Fourth Proportional to 31,637,414.46, 47,456,121.69 and 30,021,833.82

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Solution

The fourth proportional to 31,637,414.46, 47,456,121.69 and 30,021,833.82 is: 45,032,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637,414.46 : 47,456,121.69 = 30,021,833.82 : x
  2. Step 2: Convert to fraction form
    31,637,414.46/47,456,121.69 = 30,021,833.82/x
  3. Step 3: Cross multiply
    31,637,414.46x = 47,456,121.69 × 30,021,833.82
  4. Step 4: Simplify right side
    31,637,414.46x = 1,424,719,799,118,877.50
  5. Step 5: Solve for x
    x = 1,424,719,799,118,877.50/31,637,414.46
  6. Step 6: Final answer
    x = 45,032,750.73

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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.