Home / 18,776,454.08-28,169,074.56-5,821,923.20

Finding the Fourth Proportional to 18,776,454.08, 28,169,074.56 and 5,821,923.20

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Solution

The fourth proportional to 18,776,454.08, 28,169,074.56 and 5,821,923.20 is: 8,734,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776,454.08 : 28,169,074.56 = 5,821,923.20 : x
  2. Step 2: Convert to fraction form
    18,776,454.08/28,169,074.56 = 5,821,923.20/x
  3. Step 3: Cross multiply
    18,776,454.08x = 28,169,074.56 × 5,821,923.20
  4. Step 4: Simplify right side
    18,776,454.08x = 163,998,188,703,393.78
  5. Step 5: Solve for x
    x = 163,998,188,703,393.78/18,776,454.08
  6. Step 6: Final answer
    x = 8,734,247.05

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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.