Home / 13,842,449.70-20,763,674.55-7,385,441.55

Finding the Fourth Proportional to 13,842,449.70, 20,763,674.55 and 7,385,441.55

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Solution

The fourth proportional to 13,842,449.70, 20,763,674.55 and 7,385,441.55 is: 11,078,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,449.70 : 20,763,674.55 = 7,385,441.55 : x
  2. Step 2: Convert to fraction form
    13,842,449.70/20,763,674.55 = 7,385,441.55/x
  3. Step 3: Cross multiply
    13,842,449.70x = 20,763,674.55 × 7,385,441.55
  4. Step 4: Simplify right side
    13,842,449.70x = 153,348,904,752,247.56
  5. Step 5: Solve for x
    x = 153,348,904,752,247.56/13,842,449.70
  6. Step 6: Final answer
    x = 11,078,162.33

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1.5x scale

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.