Home / 20,694,422.46-28,559,184.21-11,527,062.78

Finding the Fourth Proportional to 20,694,422.46, 28,559,184.21 and 11,527,062.78

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Solution

The fourth proportional to 20,694,422.46, 28,559,184.21 and 11,527,062.78 is: 15,907,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,422.46 : 28,559,184.21 = 11,527,062.78 : x
  2. Step 2: Convert to fraction form
    20,694,422.46/28,559,184.21 = 11,527,062.78/x
  3. Step 3: Cross multiply
    20,694,422.46x = 28,559,184.21 × 11,527,062.78
  4. Step 4: Simplify right side
    20,694,422.46x = 329,203,509,334,254.69
  5. Step 5: Solve for x
    x = 329,203,509,334,254.69/20,694,422.46
  6. Step 6: Final answer
    x = 15,907,837.48

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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.