Home / 19,887,870.87-29,832,447.83-5,511,077.19

Finding the Fourth Proportional to 19,887,870.87, 29,832,447.83 and 5,511,077.19

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Solution

The fourth proportional to 19,887,870.87, 29,832,447.83 and 5,511,077.19 is: 8,266,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887,870.87 : 29,832,447.83 = 5,511,077.19 : x
  2. Step 2: Convert to fraction form
    19,887,870.87/29,832,447.83 = 5,511,077.19/x
  3. Step 3: Cross multiply
    19,887,870.87x = 29,832,447.83 × 5,511,077.19
  4. Step 4: Simplify right side
    19,887,870.87x = 164,408,922,730,222.62
  5. Step 5: Solve for x
    x = 164,408,922,730,222.62/19,887,870.87
  6. Step 6: Final answer
    x = 8,266,793.55

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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.