Home / 23,171,878.20-34,764,038.10-20,664,895.80

Finding the Fourth Proportional to 23,171,878.20, 34,764,038.10 and 20,664,895.80

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Solution

The fourth proportional to 23,171,878.20, 34,764,038.10 and 20,664,895.80 is: 31,002,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171,878.20 : 34,764,038.10 = 20,664,895.80 : x
  2. Step 2: Convert to fraction form
    23,171,878.20/34,764,038.10 = 20,664,895.80/x
  3. Step 3: Cross multiply
    23,171,878.20x = 34,764,038.10 × 20,664,895.80
  4. Step 4: Simplify right side
    23,171,878.20x = 718,395,224,923,730
  5. Step 5: Solve for x
    x = 718,395,224,923,730/23,171,878.20
  6. Step 6: Final answer
    x = 31,002,891.47

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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.