Home / 28,188,789.00-42,283,262.32-8,760,855.86

Finding the Fourth Proportional to 28,188,789.00, 42,283,262.32 and 8,760,855.86

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Solution

The fourth proportional to 28,188,789.00, 42,283,262.32 and 8,760,855.86 is: 13,141,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,789.00 : 42,283,262.32 = 8,760,855.86 : x
  2. Step 2: Convert to fraction form
    28,188,789.00/42,283,262.32 = 8,760,855.86/x
  3. Step 3: Cross multiply
    28,188,789.00x = 42,283,262.32 × 8,760,855.86
  4. Step 4: Simplify right side
    28,188,789.00x = 370,437,566,264,672.88
  5. Step 5: Solve for x
    x = 370,437,566,264,672.88/28,188,789.00
  6. Step 6: Final answer
    x = 13,141,308.28

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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.