Home / 18,719,707.20-28,079,560.80-6,589,074.30

Finding the Fourth Proportional to 18,719,707.20, 28,079,560.80 and 6,589,074.30

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Solution

The fourth proportional to 18,719,707.20, 28,079,560.80 and 6,589,074.30 is: 9,883,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,707.20 : 28,079,560.80 = 6,589,074.30 : x
  2. Step 2: Convert to fraction form
    18,719,707.20/28,079,560.80 = 6,589,074.30/x
  3. Step 3: Cross multiply
    18,719,707.20x = 28,079,560.80 × 6,589,074.30
  4. Step 4: Simplify right side
    18,719,707.20x = 185,018,312,422,567.44
  5. Step 5: Solve for x
    x = 185,018,312,422,567.44/18,719,707.20
  6. Step 6: Final answer
    x = 9,883,611.45

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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.