Home / 37,665,255.96-51,976,282.70-20,921,081.56

Finding the Fourth Proportional to 37,665,255.96, 51,976,282.70 and 20,921,081.56

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Solution

The fourth proportional to 37,665,255.96, 51,976,282.70 and 20,921,081.56 is: 28,870,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,665,255.96 : 51,976,282.70 = 20,921,081.56 : x
  2. Step 2: Convert to fraction form
    37,665,255.96/51,976,282.70 = 20,921,081.56/x
  3. Step 3: Cross multiply
    37,665,255.96x = 51,976,282.70 × 20,921,081.56
  4. Step 4: Simplify right side
    37,665,255.96x = 1,087,400,049,474,679.12
  5. Step 5: Solve for x
    x = 1,087,400,049,474,679.12/37,665,255.96
  6. Step 6: Final answer
    x = 28,870,109.12

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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.