Home / 18,744,004.20-28,060,019.10-11,167,069.80

Finding the Fourth Proportional to 18,744,004.20, 28,060,019.10 and 11,167,069.80

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Solution

The fourth proportional to 18,744,004.20, 28,060,019.10 and 11,167,069.80 is: 16,717,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744,004.20 : 28,060,019.10 = 11,167,069.80 : x
  2. Step 2: Convert to fraction form
    18,744,004.20/28,060,019.10 = 11,167,069.80/x
  3. Step 3: Cross multiply
    18,744,004.20x = 28,060,019.10 × 11,167,069.80
  4. Step 4: Simplify right side
    18,744,004.20x = 313,348,191,879,033.19
  5. Step 5: Solve for x
    x = 313,348,191,879,033.19/18,744,004.20
  6. Step 6: Final answer
    x = 16,717,249.34

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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.