Home / 8,855,082.81-12,215,839.14-5,181,746.01

Finding the Fourth Proportional to 8,855,082.81, 12,215,839.14 and 5,181,746.01

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Solution

The fourth proportional to 8,855,082.81, 12,215,839.14 and 5,181,746.01 is: 7,148,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,082.81 : 12,215,839.14 = 5,181,746.01 : x
  2. Step 2: Convert to fraction form
    8,855,082.81/12,215,839.14 = 5,181,746.01/x
  3. Step 3: Cross multiply
    8,855,082.81x = 12,215,839.14 × 5,181,746.01
  4. Step 4: Simplify right side
    8,855,082.81x = 63,299,375,722,496.83
  5. Step 5: Solve for x
    x = 63,299,375,722,496.83/8,855,082.81
  6. Step 6: Final answer
    x = 7,148,366.32

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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.