Home / 17,680,969.20-26,521,453.80-13,429,441.20

Finding the Fourth Proportional to 17,680,969.20, 26,521,453.80 and 13,429,441.20

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Solution

The fourth proportional to 17,680,969.20, 26,521,453.80 and 13,429,441.20 is: 20,144,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,969.20 : 26,521,453.80 = 13,429,441.20 : x
  2. Step 2: Convert to fraction form
    17,680,969.20/26,521,453.80 = 13,429,441.20/x
  3. Step 3: Cross multiply
    17,680,969.20x = 26,521,453.80 × 13,429,441.20
  4. Step 4: Simplify right side
    17,680,969.20x = 356,168,304,345,616.56
  5. Step 5: Solve for x
    x = 356,168,304,345,616.56/17,680,969.20
  6. Step 6: Final answer
    x = 20,144,161.80

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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.