Home / 20,734,069.07-31,100,992.89-5,381,347.53

Finding the Fourth Proportional to 20,734,069.07, 31,100,992.89 and 5,381,347.53

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Solution

The fourth proportional to 20,734,069.07, 31,100,992.89 and 5,381,347.53 is: 8,071,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,069.07 : 31,100,992.89 = 5,381,347.53 : x
  2. Step 2: Convert to fraction form
    20,734,069.07/31,100,992.89 = 5,381,347.53/x
  3. Step 3: Cross multiply
    20,734,069.07x = 31,100,992.89 × 5,381,347.53
  4. Step 4: Simplify right side
    20,734,069.07x = 167,365,251,269,149.06
  5. Step 5: Solve for x
    x = 167,365,251,269,149.06/20,734,069.07
  6. Step 6: Final answer
    x = 8,071,992.56

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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.