Home / 18,290,999.40-27,436,499.10-15,314,929.80

Finding the Fourth Proportional to 18,290,999.40, 27,436,499.10 and 15,314,929.80

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Solution

The fourth proportional to 18,290,999.40, 27,436,499.10 and 15,314,929.80 is: 22,972,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,999.40 : 27,436,499.10 = 15,314,929.80 : x
  2. Step 2: Convert to fraction form
    18,290,999.40/27,436,499.10 = 15,314,929.80/x
  3. Step 3: Cross multiply
    18,290,999.40x = 27,436,499.10 × 15,314,929.80
  4. Step 4: Simplify right side
    18,290,999.40x = 420,188,057,674,263.25
  5. Step 5: Solve for x
    x = 420,188,057,674,263.25/18,290,999.40
  6. Step 6: Final answer
    x = 22,972,394.70

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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.