Home / 18,386,961.80-27,538,452.30-10,828,689.80

Finding the Fourth Proportional to 18,386,961.80, 27,538,452.30 and 10,828,689.80

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Solution

The fourth proportional to 18,386,961.80, 27,538,452.30 and 10,828,689.80 is: 16,218,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,961.80 : 27,538,452.30 = 10,828,689.80 : x
  2. Step 2: Convert to fraction form
    18,386,961.80/27,538,452.30 = 10,828,689.80/x
  3. Step 3: Cross multiply
    18,386,961.80x = 27,538,452.30 × 10,828,689.80
  4. Step 4: Simplify right side
    18,386,961.80x = 298,205,357,528,796.56
  5. Step 5: Solve for x
    x = 298,205,357,528,796.56/18,386,961.80
  6. Step 6: Final answer
    x = 16,218,305.16

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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.