Home / 20,330,568.47-28,056,184.64-11,163,211.22

Finding the Fourth Proportional to 20,330,568.47, 28,056,184.64 and 11,163,211.22

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Solution

The fourth proportional to 20,330,568.47, 28,056,184.64 and 11,163,211.22 is: 15,405,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,568.47 : 28,056,184.64 = 11,163,211.22 : x
  2. Step 2: Convert to fraction form
    20,330,568.47/28,056,184.64 = 11,163,211.22/x
  3. Step 3: Cross multiply
    20,330,568.47x = 28,056,184.64 × 11,163,211.22
  4. Step 4: Simplify right side
    20,330,568.47x = 313,197,114,967,542.69
  5. Step 5: Solve for x
    x = 313,197,114,967,542.69/20,330,568.47
  6. Step 6: Final answer
    x = 15,405,231.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.