Home / 28,990,150.91-43,485,234.48-8,519,869.37

Finding the Fourth Proportional to 28,990,150.91, 43,485,234.48 and 8,519,869.37

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Solution

The fourth proportional to 28,990,150.91, 43,485,234.48 and 8,519,869.37 is: 12,779,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,150.91 : 43,485,234.48 = 8,519,869.37 : x
  2. Step 2: Convert to fraction form
    28,990,150.91/43,485,234.48 = 8,519,869.37/x
  3. Step 3: Cross multiply
    28,990,150.91x = 43,485,234.48 × 8,519,869.37
  4. Step 4: Simplify right side
    28,990,150.91x = 370,488,517,402,132.94
  5. Step 5: Solve for x
    x = 370,488,517,402,132.94/28,990,150.91
  6. Step 6: Final answer
    x = 12,779,806.44

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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.