Home / 40,530,530-60,786,677.94-18,649,920.74

Finding the Fourth Proportional to 40,530,530, 60,786,677.94 and 18,649,920.74

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Solution

The fourth proportional to 40,530,530, 60,786,677.94 and 18,649,920.74 is: 27,970,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530,530 : 60,786,677.94 = 18,649,920.74 : x
  2. Step 2: Convert to fraction form
    40,530,530/60,786,677.94 = 18,649,920.74/x
  3. Step 3: Cross multiply
    40,530,530x = 60,786,677.94 × 18,649,920.74
  4. Step 4: Simplify right side
    40,530,530x = 1,133,666,725,628,906.25
  5. Step 5: Solve for x
    x = 1,133,666,725,628,906.25/40,530,530
  6. Step 6: Final answer
    x = 27,970,685.94

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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.