Home / 13,355,913.78-20,034,645.66-3,770,489.52

Finding the Fourth Proportional to 13,355,913.78, 20,034,645.66 and 3,770,489.52

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Solution

The fourth proportional to 13,355,913.78, 20,034,645.66 and 3,770,489.52 is: 5,655,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,913.78 : 20,034,645.66 = 3,770,489.52 : x
  2. Step 2: Convert to fraction form
    13,355,913.78/20,034,645.66 = 3,770,489.52/x
  3. Step 3: Cross multiply
    13,355,913.78x = 20,034,645.66 × 3,770,489.52
  4. Step 4: Simplify right side
    13,355,913.78x = 75,540,421,497,943.48
  5. Step 5: Solve for x
    x = 75,540,421,497,943.48/13,355,913.78
  6. Step 6: Final answer
    x = 5,655,953.07

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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.