Home / 21,065,244.60-31,597,866.90-17,664,022.20

Finding the Fourth Proportional to 21,065,244.60, 31,597,866.90 and 17,664,022.20

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Solution

The fourth proportional to 21,065,244.60, 31,597,866.90 and 17,664,022.20 is: 26,496,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065,244.60 : 31,597,866.90 = 17,664,022.20 : x
  2. Step 2: Convert to fraction form
    21,065,244.60/31,597,866.90 = 17,664,022.20/x
  3. Step 3: Cross multiply
    21,065,244.60x = 31,597,866.90 × 17,664,022.20
  4. Step 4: Simplify right side
    21,065,244.60x = 558,145,422,394,245.12
  5. Step 5: Solve for x
    x = 558,145,422,394,245.12/21,065,244.60
  6. Step 6: Final answer
    x = 26,496,033.30

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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.