Home / 26,870,105-37,078,891.38-15,111,130.76

Finding the Fourth Proportional to 26,870,105, 37,078,891.38 and 15,111,130.76

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Solution

The fourth proportional to 26,870,105, 37,078,891.38 and 15,111,130.76 is: 20,852,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870,105 : 37,078,891.38 = 15,111,130.76 : x
  2. Step 2: Convert to fraction form
    26,870,105/37,078,891.38 = 15,111,130.76/x
  3. Step 3: Cross multiply
    26,870,105x = 37,078,891.38 × 15,111,130.76
  4. Step 4: Simplify right side
    26,870,105x = 560,303,976,079,016.88
  5. Step 5: Solve for x
    x = 560,303,976,079,016.88/26,870,105
  6. Step 6: Final answer
    x = 20,852,318.07

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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.