Home / 18,148,924.80-27,223,387.20-7,371,388.80

Finding the Fourth Proportional to 18,148,924.80, 27,223,387.20 and 7,371,388.80

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Solution

The fourth proportional to 18,148,924.80, 27,223,387.20 and 7,371,388.80 is: 11,057,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,924.80 : 27,223,387.20 = 7,371,388.80 : x
  2. Step 2: Convert to fraction form
    18,148,924.80/27,223,387.20 = 7,371,388.80/x
  3. Step 3: Cross multiply
    18,148,924.80x = 27,223,387.20 × 7,371,388.80
  4. Step 4: Simplify right side
    18,148,924.80x = 200,674,171,504,143.34
  5. Step 5: Solve for x
    x = 200,674,171,504,143.34/18,148,924.80
  6. Step 6: Final answer
    x = 11,057,083.20

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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.