Home / 13,932,928.76-20,891,114.67-5,297,660.64

Finding the Fourth Proportional to 13,932,928.76, 20,891,114.67 and 5,297,660.64

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Solution

The fourth proportional to 13,932,928.76, 20,891,114.67 and 5,297,660.64 is: 7,943,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932,928.76 : 20,891,114.67 = 5,297,660.64 : x
  2. Step 2: Convert to fraction form
    13,932,928.76/20,891,114.67 = 5,297,660.64/x
  3. Step 3: Cross multiply
    13,932,928.76x = 20,891,114.67 × 5,297,660.64
  4. Step 4: Simplify right side
    13,932,928.76x = 110,674,035,912,985.59
  5. Step 5: Solve for x
    x = 110,674,035,912,985.59/13,932,928.76
  6. Step 6: Final answer
    x = 7,943,343.27

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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.