Home / 31,548,432.07-43,544,100.37-18,499,894.76

Finding the Fourth Proportional to 31,548,432.07, 43,544,100.37 and 18,499,894.76

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Solution

The fourth proportional to 31,548,432.07, 43,544,100.37 and 18,499,894.76 is: 25,534,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548,432.07 : 43,544,100.37 = 18,499,894.76 : x
  2. Step 2: Convert to fraction form
    31,548,432.07/43,544,100.37 = 18,499,894.76/x
  3. Step 3: Cross multiply
    31,548,432.07x = 43,544,100.37 × 18,499,894.76
  4. Step 4: Simplify right side
    31,548,432.07x = 805,561,274,361,156.38
  5. Step 5: Solve for x
    x = 805,561,274,361,156.38/31,548,432.07
  6. Step 6: Final answer
    x = 25,534,114.43

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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.