Home / 18,684,283.48-28,012,974.24-11,480,934.24

Finding the Fourth Proportional to 18,684,283.48, 28,012,974.24 and 11,480,934.24

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Solution

The fourth proportional to 18,684,283.48, 28,012,974.24 and 11,480,934.24 is: 17,213,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,283.48 : 28,012,974.24 = 11,480,934.24 : x
  2. Step 2: Convert to fraction form
    18,684,283.48/28,012,974.24 = 11,480,934.24/x
  3. Step 3: Cross multiply
    18,684,283.48x = 28,012,974.24 × 11,480,934.24
  4. Step 4: Simplify right side
    18,684,283.48x = 321,615,115,116,253.94
  5. Step 5: Solve for x
    x = 321,615,115,116,253.94/18,684,283.48
  6. Step 6: Final answer
    x = 17,213,136.13

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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.