Home / 28,563,049.82-42,835,476.80-9,389,387.54

Finding the Fourth Proportional to 28,563,049.82, 42,835,476.80 and 9,389,387.54

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Solution

The fourth proportional to 28,563,049.82, 42,835,476.80 and 9,389,387.54 is: 14,081,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563,049.82 : 42,835,476.80 = 9,389,387.54 : x
  2. Step 2: Convert to fraction form
    28,563,049.82/42,835,476.80 = 9,389,387.54/x
  3. Step 3: Cross multiply
    28,563,049.82x = 42,835,476.80 × 9,389,387.54
  4. Step 4: Simplify right side
    28,563,049.82x = 402,198,892,135,879
  5. Step 5: Solve for x
    x = 402,198,892,135,879/28,563,049.82
  6. Step 6: Final answer
    x = 14,081,090.59

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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.