Home / 31,479,552.89-43,440,636.11-17,540,187.78

Finding the Fourth Proportional to 31,479,552.89, 43,440,636.11 and 17,540,187.78

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Solution

The fourth proportional to 31,479,552.89, 43,440,636.11 and 17,540,187.78 is: 24,204,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479,552.89 : 43,440,636.11 = 17,540,187.78 : x
  2. Step 2: Convert to fraction form
    31,479,552.89/43,440,636.11 = 17,540,187.78/x
  3. Step 3: Cross multiply
    31,479,552.89x = 43,440,636.11 × 17,540,187.78
  4. Step 4: Simplify right side
    31,479,552.89x = 761,956,914,564,347.75
  5. Step 5: Solve for x
    x = 761,956,914,564,347.75/31,479,552.89
  6. Step 6: Final answer
    x = 24,204,820.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.