Home / 20,222,421.33-30,329,228.96-5,450,171.65

Finding the Fourth Proportional to 20,222,421.33, 30,329,228.96 and 5,450,171.65

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Solution

The fourth proportional to 20,222,421.33, 30,329,228.96 and 5,450,171.65 is: 8,174,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,421.33 : 30,329,228.96 = 5,450,171.65 : x
  2. Step 2: Convert to fraction form
    20,222,421.33/30,329,228.96 = 5,450,171.65/x
  3. Step 3: Cross multiply
    20,222,421.33x = 30,329,228.96 × 5,450,171.65
  4. Step 4: Simplify right side
    20,222,421.33x = 165,299,503,692,504.84
  5. Step 5: Solve for x
    x = 165,299,503,692,504.84/20,222,421.33
  6. Step 6: Final answer
    x = 8,174,070.80

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1.5x scale

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.