Home / 12,368,102.68-17,068,159.38-9,265,128.76

Finding the Fourth Proportional to 12,368,102.68, 17,068,159.38 and 9,265,128.76

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Solution

The fourth proportional to 12,368,102.68, 17,068,159.38 and 9,265,128.76 is: 12,786,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368,102.68 : 17,068,159.38 = 9,265,128.76 : x
  2. Step 2: Convert to fraction form
    12,368,102.68/17,068,159.38 = 9,265,128.76/x
  3. Step 3: Cross multiply
    12,368,102.68x = 17,068,159.38 × 9,265,128.76
  4. Step 4: Simplify right side
    12,368,102.68x = 158,138,694,351,901.75
  5. Step 5: Solve for x
    x = 158,138,694,351,901.75/12,368,102.68
  6. Step 6: Final answer
    x = 12,786,010.79

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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.