Home / 28,881,169.52-43,321,420.16-7,021,672.80

Finding the Fourth Proportional to 28,881,169.52, 43,321,420.16 and 7,021,672.80

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Solution

The fourth proportional to 28,881,169.52, 43,321,420.16 and 7,021,672.80 is: 10,532,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,169.52 : 43,321,420.16 = 7,021,672.80 : x
  2. Step 2: Convert to fraction form
    28,881,169.52/43,321,420.16 = 7,021,672.80/x
  3. Step 3: Cross multiply
    28,881,169.52x = 43,321,420.16 × 7,021,672.80
  4. Step 4: Simplify right side
    28,881,169.52x = 304,188,837,594,843.62
  5. Step 5: Solve for x
    x = 304,188,837,594,843.62/28,881,169.52
  6. Step 6: Final answer
    x = 10,532,427.97

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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.