Home / 6,972,389.11-9,621,666.69-3,832,663.31

Finding the Fourth Proportional to 6,972,389.11, 9,621,666.69 and 3,832,663.31

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Solution

The fourth proportional to 6,972,389.11, 9,621,666.69 and 3,832,663.31 is: 5,288,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972,389.11 : 9,621,666.69 = 3,832,663.31 : x
  2. Step 2: Convert to fraction form
    6,972,389.11/9,621,666.69 = 3,832,663.31/x
  3. Step 3: Cross multiply
    6,972,389.11x = 9,621,666.69 × 3,832,663.31
  4. Step 4: Simplify right side
    6,972,389.11x = 36,876,608,894,268.12
  5. Step 5: Solve for x
    x = 36,876,608,894,268.12/6,972,389.11
  6. Step 6: Final answer
    x = 5,288,948.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.