Home / 18,288,934.78-27,433,493.84-4,642,085.22

Finding the Fourth Proportional to 18,288,934.78, 27,433,493.84 and 4,642,085.22

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Solution

The fourth proportional to 18,288,934.78, 27,433,493.84 and 4,642,085.22 is: 6,963,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,934.78 : 27,433,493.84 = 4,642,085.22 : x
  2. Step 2: Convert to fraction form
    18,288,934.78/27,433,493.84 = 4,642,085.22/x
  3. Step 3: Cross multiply
    18,288,934.78x = 27,433,493.84 × 4,642,085.22
  4. Step 4: Simplify right side
    18,288,934.78x = 127,348,616,162,062.80
  5. Step 5: Solve for x
    x = 127,348,616,162,062.80/18,288,934.78
  6. Step 6: Final answer
    x = 6,963,151.09

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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.