Home / 13,821,721.70-20,732,582.55-8,795,315.30

Finding the Fourth Proportional to 13,821,721.70, 20,732,582.55 and 8,795,315.30

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Solution

The fourth proportional to 13,821,721.70, 20,732,582.55 and 8,795,315.30 is: 13,192,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,721.70 : 20,732,582.55 = 8,795,315.30 : x
  2. Step 2: Convert to fraction form
    13,821,721.70/20,732,582.55 = 8,795,315.30/x
  3. Step 3: Cross multiply
    13,821,721.70x = 20,732,582.55 × 8,795,315.30
  4. Step 4: Simplify right side
    13,821,721.70x = 182,349,600,510,528.03
  5. Step 5: Solve for x
    x = 182,349,600,510,528.03/13,821,721.70
  6. Step 6: Final answer
    x = 13,192,972.95

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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.