Home / 28,788,138.26-43,189,770.32-10,345,945.26

Finding the Fourth Proportional to 28,788,138.26, 43,189,770.32 and 10,345,945.26

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Solution

The fourth proportional to 28,788,138.26, 43,189,770.32 and 10,345,945.26 is: 15,521,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788,138.26 : 43,189,770.32 = 10,345,945.26 : x
  2. Step 2: Convert to fraction form
    28,788,138.26/43,189,770.32 = 10,345,945.26/x
  3. Step 3: Cross multiply
    28,788,138.26x = 43,189,770.32 × 10,345,945.26
  4. Step 4: Simplify right side
    28,788,138.26x = 446,838,999,470,962.94
  5. Step 5: Solve for x
    x = 446,838,999,470,962.94/28,788,138.26
  6. Step 6: Final answer
    x = 15,521,635.87

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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.