Home / 12,368,101.68-17,068,158-9,265,127.76

Finding the Fourth Proportional to 12,368,101.68, 17,068,158 and 9,265,127.76

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Solution

The fourth proportional to 12,368,101.68, 17,068,158 and 9,265,127.76 is: 12,786,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368,101.68 : 17,068,158 = 9,265,127.76 : x
  2. Step 2: Convert to fraction form
    12,368,101.68/17,068,158 = 9,265,127.76/x
  3. Step 3: Cross multiply
    12,368,101.68x = 17,068,158 × 9,265,127.76
  4. Step 4: Simplify right side
    12,368,101.68x = 158,138,664,497,866.06
  5. Step 5: Solve for x
    x = 158,138,664,497,866.06/12,368,101.68
  6. Step 6: Final answer
    x = 12,786,009.41

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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.