Home / 15,067,098.08-20,797,020.42-9,840,905.21

Finding the Fourth Proportional to 15,067,098.08, 20,797,020.42 and 9,840,905.21

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Solution

The fourth proportional to 15,067,098.08, 20,797,020.42 and 9,840,905.21 is: 13,583,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067,098.08 : 20,797,020.42 = 9,840,905.21 : x
  2. Step 2: Convert to fraction form
    15,067,098.08/20,797,020.42 = 9,840,905.21/x
  3. Step 3: Cross multiply
    15,067,098.08x = 20,797,020.42 × 9,840,905.21
  4. Step 4: Simplify right side
    15,067,098.08x = 204,661,506,499,669.31
  5. Step 5: Solve for x
    x = 204,661,506,499,669.31/15,067,098.08
  6. Step 6: Final answer
    x = 13,583,339.37

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1.5x scale

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.