Home / 18,828,958.20-28,247,619.06-5,365,902.84

Finding the Fourth Proportional to 18,828,958.20, 28,247,619.06 and 5,365,902.84

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Solution

The fourth proportional to 18,828,958.20, 28,247,619.06 and 5,365,902.84 is: 8,050,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828,958.20 : 28,247,619.06 = 5,365,902.84 : x
  2. Step 2: Convert to fraction form
    18,828,958.20/28,247,619.06 = 5,365,902.84/x
  3. Step 3: Cross multiply
    18,828,958.20x = 28,247,619.06 × 5,365,902.84
  4. Step 4: Simplify right side
    18,828,958.20x = 151,573,979,337,292.12
  5. Step 5: Solve for x
    x = 151,573,979,337,292.12/18,828,958.20
  6. Step 6: Final answer
    x = 8,050,045.98

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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.