Home / 13,782,740.96-20,677,065.12-4,198,891.52

Finding the Fourth Proportional to 13,782,740.96, 20,677,065.12 and 4,198,891.52

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Solution

The fourth proportional to 13,782,740.96, 20,677,065.12 and 4,198,891.52 is: 6,299,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,740.96 : 20,677,065.12 = 4,198,891.52 : x
  2. Step 2: Convert to fraction form
    13,782,740.96/20,677,065.12 = 4,198,891.52/x
  3. Step 3: Cross multiply
    13,782,740.96x = 20,677,065.12 × 4,198,891.52
  4. Step 4: Simplify right side
    13,782,740.96x = 86,820,753,390,855.78
  5. Step 5: Solve for x
    x = 86,820,753,390,855.78/13,782,740.96
  6. Step 6: Final answer
    x = 6,299,237.11

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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.