Home / 18,074,881.68-27,116,915.22-5,121,018.24

Finding the Fourth Proportional to 18,074,881.68, 27,116,915.22 and 5,121,018.24

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Solution

The fourth proportional to 18,074,881.68, 27,116,915.22 and 5,121,018.24 is: 7,682,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074,881.68 : 27,116,915.22 = 5,121,018.24 : x
  2. Step 2: Convert to fraction form
    18,074,881.68/27,116,915.22 = 5,121,018.24/x
  3. Step 3: Cross multiply
    18,074,881.68x = 27,116,915.22 × 5,121,018.24
  4. Step 4: Simplify right side
    18,074,881.68x = 138,866,217,454,153.61
  5. Step 5: Solve for x
    x = 138,866,217,454,153.61/18,074,881.68
  6. Step 6: Final answer
    x = 7,682,828.57

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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.