Home / 18,720,204-28,080,306-4,536,780

Finding the Fourth Proportional to 18,720,204, 28,080,306 and 4,536,780

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Solution

The fourth proportional to 18,720,204, 28,080,306 and 4,536,780 is: 6,805,170

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,204 : 28,080,306 = 4,536,780 : x
  2. Step 2: Convert to fraction form
    18,720,204/28,080,306 = 4,536,780/x
  3. Step 3: Cross multiply
    18,720,204x = 28,080,306 × 4,536,780
  4. Step 4: Simplify right side
    18,720,204x = 127,394,170,654,680
  5. Step 5: Solve for x
    x = 127,394,170,654,680/18,720,204
  6. Step 6: Final answer
    x = 6,805,170

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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.