Home / 18,959,482.80-28,442,173.68-6,177,013.20

Finding the Fourth Proportional to 18,959,482.80, 28,442,173.68 and 6,177,013.20

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Solution

The fourth proportional to 18,959,482.80, 28,442,173.68 and 6,177,013.20 is: 9,266,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959,482.80 : 28,442,173.68 = 6,177,013.20 : x
  2. Step 2: Convert to fraction form
    18,959,482.80/28,442,173.68 = 6,177,013.20/x
  3. Step 3: Cross multiply
    18,959,482.80x = 28,442,173.68 × 6,177,013.20
  4. Step 4: Simplify right side
    18,959,482.80x = 175,687,682,258,052.59
  5. Step 5: Solve for x
    x = 175,687,682,258,052.59/18,959,482.80
  6. Step 6: Final answer
    x = 9,266,480.74

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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.