Home / 13,134,562.20-19,668,665.70-8,622,408.60

Finding the Fourth Proportional to 13,134,562.20, 19,668,665.70 and 8,622,408.60

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Solution

The fourth proportional to 13,134,562.20, 19,668,665.70 and 8,622,408.60 is: 12,911,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,562.20 : 19,668,665.70 = 8,622,408.60 : x
  2. Step 2: Convert to fraction form
    13,134,562.20/19,668,665.70 = 8,622,408.60/x
  3. Step 3: Cross multiply
    13,134,562.20x = 19,668,665.70 × 8,622,408.60
  4. Step 4: Simplify right side
    13,134,562.20x = 169,591,272,282,205
  5. Step 5: Solve for x
    x = 169,591,272,282,205/13,134,562.20
  6. Step 6: Final answer
    x = 12,911,832.90

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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.