Home / 12,855,581.21-17,741,803.92-7,055,484.14

Finding the Fourth Proportional to 12,855,581.21, 17,741,803.92 and 7,055,484.14

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Solution

The fourth proportional to 12,855,581.21, 17,741,803.92 and 7,055,484.14 is: 9,737,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,581.21 : 17,741,803.92 = 7,055,484.14 : x
  2. Step 2: Convert to fraction form
    12,855,581.21/17,741,803.92 = 7,055,484.14/x
  3. Step 3: Cross multiply
    12,855,581.21x = 17,741,803.92 × 7,055,484.14
  4. Step 4: Simplify right side
    12,855,581.21x = 125,177,016,172,549.83
  5. Step 5: Solve for x
    x = 125,177,016,172,549.83/12,855,581.21
  6. Step 6: Final answer
    x = 9,737,172.84

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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.