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Finding the Fourth Proportional to 6,644,250.90, 9,327,145.50 and 6,644,250.90

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Solution

The fourth proportional to 6,644,250.90, 9,327,145.50 and 6,644,250.90 is: 9,327,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,250.90 : 9,327,145.50 = 6,644,250.90 : x
  2. Step 2: Convert to fraction form
    6,644,250.90/9,327,145.50 = 6,644,250.90/x
  3. Step 3: Cross multiply
    6,644,250.90x = 9,327,145.50 × 6,644,250.90
  4. Step 4: Simplify right side
    6,644,250.90x = 61,971,894,882,805.95
  5. Step 5: Solve for x
    x = 61,971,894,882,805.95/6,644,250.90
  6. Step 6: Final answer
    x = 9,327,145.50

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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.