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Finding the Fourth Proportional to 15,978,066.60, 23,967,099.90 and 6,394,924.20

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Solution

The fourth proportional to 15,978,066.60, 23,967,099.90 and 6,394,924.20 is: 9,592,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,066.60 : 23,967,099.90 = 6,394,924.20 : x
  2. Step 2: Convert to fraction form
    15,978,066.60/23,967,099.90 = 6,394,924.20/x
  3. Step 3: Cross multiply
    15,978,066.60x = 23,967,099.90 × 6,394,924.20
  4. Step 4: Simplify right side
    15,978,066.60x = 153,267,787,154,327.56
  5. Step 5: Solve for x
    x = 153,267,787,154,327.56/15,978,066.60
  6. Step 6: Final answer
    x = 9,592,386.30

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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.