Home / 12,170,226.24-16,806,290.40-7,826,854.32

Finding the Fourth Proportional to 12,170,226.24, 16,806,290.40 and 7,826,854.32

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Solution

The fourth proportional to 12,170,226.24, 16,806,290.40 and 7,826,854.32 is: 10,808,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,226.24 : 16,806,290.40 = 7,826,854.32 : x
  2. Step 2: Convert to fraction form
    12,170,226.24/16,806,290.40 = 7,826,854.32/x
  3. Step 3: Cross multiply
    12,170,226.24x = 16,806,290.40 × 7,826,854.32
  4. Step 4: Simplify right side
    12,170,226.24x = 131,540,386,620,414.52
  5. Step 5: Solve for x
    x = 131,540,386,620,414.52/12,170,226.24
  6. Step 6: Final answer
    x = 10,808,376.44

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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.