Home / 21,443,540.40-32,171,315.40-8,673,015.60

Finding the Fourth Proportional to 21,443,540.40, 32,171,315.40 and 8,673,015.60

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Solution

The fourth proportional to 21,443,540.40, 32,171,315.40 and 8,673,015.60 is: 13,011,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443,540.40 : 32,171,315.40 = 8,673,015.60 : x
  2. Step 2: Convert to fraction form
    21,443,540.40/32,171,315.40 = 8,673,015.60/x
  3. Step 3: Cross multiply
    21,443,540.40x = 32,171,315.40 × 8,673,015.60
  4. Step 4: Simplify right side
    21,443,540.40x = 279,022,320,336,720.22
  5. Step 5: Solve for x
    x = 279,022,320,336,720.22/21,443,540.40
  6. Step 6: Final answer
    x = 13,011,952.09

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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.