Home / 6,972,138.64-10,458,216.20-2,179,853.04

Finding the Fourth Proportional to 6,972,138.64, 10,458,216.20 and 2,179,853.04

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Solution

The fourth proportional to 6,972,138.64, 10,458,216.20 and 2,179,853.04 is: 3,269,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972,138.64 : 10,458,216.20 = 2,179,853.04 : x
  2. Step 2: Convert to fraction form
    6,972,138.64/10,458,216.20 = 2,179,853.04/x
  3. Step 3: Cross multiply
    6,972,138.64x = 10,458,216.20 × 2,179,853.04
  4. Step 4: Simplify right side
    6,972,138.64x = 22,797,374,376,547.25
  5. Step 5: Solve for x
    x = 22,797,374,376,547.25/6,972,138.64
  6. Step 6: Final answer
    x = 3,269,782.14

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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.