Home / 7,120,243.62-9,823,519.10-4,022,314.38

Finding the Fourth Proportional to 7,120,243.62, 9,823,519.10 and 4,022,314.38

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Solution

The fourth proportional to 7,120,243.62, 9,823,519.10 and 4,022,314.38 is: 5,549,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,243.62 : 9,823,519.10 = 4,022,314.38 : x
  2. Step 2: Convert to fraction form
    7,120,243.62/9,823,519.10 = 4,022,314.38/x
  3. Step 3: Cross multiply
    7,120,243.62x = 9,823,519.10 × 4,022,314.38
  4. Step 4: Simplify right side
    7,120,243.62x = 39,513,282,138,134.66
  5. Step 5: Solve for x
    x = 39,513,282,138,134.66/7,120,243.62
  6. Step 6: Final answer
    x = 5,549,428.40

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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.