Home / 13,135,064.20-19,669,418.70-8,622,910.60

Finding the Fourth Proportional to 13,135,064.20, 19,669,418.70 and 8,622,910.60

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Solution

The fourth proportional to 13,135,064.20, 19,669,418.70 and 8,622,910.60 is: 12,912,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,064.20 : 19,669,418.70 = 8,622,910.60 : x
  2. Step 2: Convert to fraction form
    13,135,064.20/19,669,418.70 = 8,622,910.60/x
  3. Step 3: Cross multiply
    13,135,064.20x = 19,669,418.70 × 8,622,910.60
  4. Step 4: Simplify right side
    13,135,064.20x = 169,607,639,004,068.22
  5. Step 5: Solve for x
    x = 169,607,639,004,068.22/13,135,064.20
  6. Step 6: Final answer
    x = 12,912,585.46

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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.