Home / 12,914,808.12-17,822,433.12-7,113,589.74

Finding the Fourth Proportional to 12,914,808.12, 17,822,433.12 and 7,113,589.74

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Solution

The fourth proportional to 12,914,808.12, 17,822,433.12 and 7,113,589.74 is: 9,816,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,808.12 : 17,822,433.12 = 7,113,589.74 : x
  2. Step 2: Convert to fraction form
    12,914,808.12/17,822,433.12 = 7,113,589.74/x
  3. Step 3: Cross multiply
    12,914,808.12x = 17,822,433.12 × 7,113,589.74
  4. Step 4: Simplify right side
    12,914,808.12x = 126,781,477,384,268.20
  5. Step 5: Solve for x
    x = 126,781,477,384,268.20/12,914,808.12
  6. Step 6: Final answer
    x = 9,816,752.69

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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.