Home / 18,991,539.08-28,487,344.26-4,614,619.04

Finding the Fourth Proportional to 18,991,539.08, 28,487,344.26 and 4,614,619.04

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Solution

The fourth proportional to 18,991,539.08, 28,487,344.26 and 4,614,619.04 is: 6,921,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991,539.08 : 28,487,344.26 = 4,614,619.04 : x
  2. Step 2: Convert to fraction form
    18,991,539.08/28,487,344.26 = 4,614,619.04/x
  3. Step 3: Cross multiply
    18,991,539.08x = 28,487,344.26 × 4,614,619.04
  4. Step 4: Simplify right side
    18,991,539.08x = 131,458,241,221,230.72
  5. Step 5: Solve for x
    x = 131,458,241,221,230.72/18,991,539.08
  6. Step 6: Final answer
    x = 6,921,937.22

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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.