Home / 26,870,109-37,078,896.90-15,111,134.76

Finding the Fourth Proportional to 26,870,109, 37,078,896.90 and 15,111,134.76

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Solution

The fourth proportional to 26,870,109, 37,078,896.90 and 15,111,134.76 is: 20,852,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870,109 : 37,078,896.90 = 15,111,134.76 : x
  2. Step 2: Convert to fraction form
    26,870,109/37,078,896.90 = 15,111,134.76/x
  3. Step 3: Cross multiply
    26,870,109x = 37,078,896.90 × 15,111,134.76
  4. Step 4: Simplify right side
    26,870,109x = 560,304,207,808,046.19
  5. Step 5: Solve for x
    x = 560,304,207,808,046.19/26,870,109
  6. Step 6: Final answer
    x = 20,852,323.59

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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.