Home / 13,636,608.20-18,818,919.03-7,442,053.20

Finding the Fourth Proportional to 13,636,608.20, 18,818,919.03 and 7,442,053.20

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Solution

The fourth proportional to 13,636,608.20, 18,818,919.03 and 7,442,053.20 is: 10,270,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,608.20 : 18,818,919.03 = 7,442,053.20 : x
  2. Step 2: Convert to fraction form
    13,636,608.20/18,818,919.03 = 7,442,053.20/x
  3. Step 3: Cross multiply
    13,636,608.20x = 18,818,919.03 × 7,442,053.20
  4. Step 4: Simplify right side
    13,636,608.20x = 140,051,396,634,799.70
  5. Step 5: Solve for x
    x = 140,051,396,634,799.70/13,636,608.20
  6. Step 6: Final answer
    x = 10,270,251.56

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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.