Home / 20,951,135.84-31,428,032.48-6,574,770.56

Finding the Fourth Proportional to 20,951,135.84, 31,428,032.48 and 6,574,770.56

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Solution

The fourth proportional to 20,951,135.84, 31,428,032.48 and 6,574,770.56 is: 9,862,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,135.84 : 31,428,032.48 = 6,574,770.56 : x
  2. Step 2: Convert to fraction form
    20,951,135.84/31,428,032.48 = 6,574,770.56/x
  3. Step 3: Cross multiply
    20,951,135.84x = 31,428,032.48 × 6,574,770.56
  4. Step 4: Simplify right side
    20,951,135.84x = 206,632,102,708,227.78
  5. Step 5: Solve for x
    x = 206,632,102,708,227.78/20,951,135.84
  6. Step 6: Final answer
    x = 9,862,572.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.