Home / 13,476,866.20-20,201,521.20-6,642,928.60

Finding the Fourth Proportional to 13,476,866.20, 20,201,521.20 and 6,642,928.60

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Solution

The fourth proportional to 13,476,866.20, 20,201,521.20 and 6,642,928.60 is: 9,957,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,866.20 : 20,201,521.20 = 6,642,928.60 : x
  2. Step 2: Convert to fraction form
    13,476,866.20/20,201,521.20 = 6,642,928.60/x
  3. Step 3: Cross multiply
    13,476,866.20x = 20,201,521.20 × 6,642,928.60
  4. Step 4: Simplify right side
    13,476,866.20x = 134,197,262,942,986.31
  5. Step 5: Solve for x
    x = 134,197,262,942,986.31/13,476,866.20
  6. Step 6: Final answer
    x = 9,957,601.49

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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.