Home / 12,828,863.18-17,697,119.19-7,932,520.10

Finding the Fourth Proportional to 12,828,863.18, 17,697,119.19 and 7,932,520.10

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Solution

The fourth proportional to 12,828,863.18, 17,697,119.19 and 7,932,520.10 is: 10,942,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,863.18 : 17,697,119.19 = 7,932,520.10 : x
  2. Step 2: Convert to fraction form
    12,828,863.18/17,697,119.19 = 7,932,520.10/x
  3. Step 3: Cross multiply
    12,828,863.18x = 17,697,119.19 × 7,932,520.10
  4. Step 4: Simplify right side
    12,828,863.18x = 140,382,753,598,285.12
  5. Step 5: Solve for x
    x = 140,382,753,598,285.12/12,828,863.18
  6. Step 6: Final answer
    x = 10,942,727.48

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1.5x scale

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.