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Finding the Fourth Proportional to 6,644,424.40, 9,327,388.40 and 6,644,424.40

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Solution

The fourth proportional to 6,644,424.40, 9,327,388.40 and 6,644,424.40 is: 9,327,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,424.40 : 9,327,388.40 = 6,644,424.40 : x
  2. Step 2: Convert to fraction form
    6,644,424.40/9,327,388.40 = 6,644,424.40/x
  3. Step 3: Cross multiply
    6,644,424.40x = 9,327,388.40 × 6,644,424.40
  4. Step 4: Simplify right side
    6,644,424.40x = 61,975,127,073,236.97
  5. Step 5: Solve for x
    x = 61,975,127,073,236.97/6,644,424.40
  6. Step 6: Final answer
    x = 9,327,388.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.