Home / 12,384,922.60-18,577,383.90-9,361,613.80

Finding the Fourth Proportional to 12,384,922.60, 18,577,383.90 and 9,361,613.80

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Solution

The fourth proportional to 12,384,922.60, 18,577,383.90 and 9,361,613.80 is: 14,042,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,922.60 : 18,577,383.90 = 9,361,613.80 : x
  2. Step 2: Convert to fraction form
    12,384,922.60/18,577,383.90 = 9,361,613.80/x
  3. Step 3: Cross multiply
    12,384,922.60x = 18,577,383.90 × 9,361,613.80
  4. Step 4: Simplify right side
    12,384,922.60x = 173,914,293,486,137.81
  5. Step 5: Solve for x
    x = 173,914,293,486,137.81/12,384,922.60
  6. Step 6: Final answer
    x = 14,042,420.70

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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.