Home / 12,292,771.60-18,450,311.10-6,231,719.80

Finding the Fourth Proportional to 12,292,771.60, 18,450,311.10 and 6,231,719.80

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Solution

The fourth proportional to 12,292,771.60, 18,450,311.10 and 6,231,719.80 is: 9,353,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,771.60 : 18,450,311.10 = 6,231,719.80 : x
  2. Step 2: Convert to fraction form
    12,292,771.60/18,450,311.10 = 6,231,719.80/x
  3. Step 3: Cross multiply
    12,292,771.60x = 18,450,311.10 × 6,231,719.80
  4. Step 4: Simplify right side
    12,292,771.60x = 114,977,168,998,029.78
  5. Step 5: Solve for x
    x = 114,977,168,998,029.78/12,292,771.60
  6. Step 6: Final answer
    x = 9,353,233.98

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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.