Home / 15,067,065.60-20,796,975.61-9,840,872.72

Finding the Fourth Proportional to 15,067,065.60, 20,796,975.61 and 9,840,872.72

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Solution

The fourth proportional to 15,067,065.60, 20,796,975.61 and 9,840,872.72 is: 13,583,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067,065.60 : 20,796,975.61 = 9,840,872.72 : x
  2. Step 2: Convert to fraction form
    15,067,065.60/20,796,975.61 = 9,840,872.72/x
  3. Step 3: Cross multiply
    15,067,065.60x = 20,796,975.61 × 9,840,872.72
  4. Step 4: Simplify right side
    15,067,065.60x = 204,660,389,994,017.16
  5. Step 5: Solve for x
    x = 204,660,389,994,017.16/15,067,065.60
  6. Step 6: Final answer
    x = 13,583,294.55

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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.