Home / 8,182,019.79-12,273,029.42-7,772,886.77

Finding the Fourth Proportional to 8,182,019.79, 12,273,029.42 and 7,772,886.77

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Solution

The fourth proportional to 8,182,019.79, 12,273,029.42 and 7,772,886.77 is: 11,659,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182,019.79 : 12,273,029.42 = 7,772,886.77 : x
  2. Step 2: Convert to fraction form
    8,182,019.79/12,273,029.42 = 7,772,886.77/x
  3. Step 3: Cross multiply
    8,182,019.79x = 12,273,029.42 × 7,772,886.77
  4. Step 4: Simplify right side
    8,182,019.79x = 95,396,867,906,309.19
  5. Step 5: Solve for x
    x = 95,396,867,906,309.19/8,182,019.79
  6. Step 6: Final answer
    x = 11,659,329.89

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1.5x scale

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.