Home / 20,674,724.40-30,964,847.40-12,171,668.40

Finding the Fourth Proportional to 20,674,724.40, 30,964,847.40 and 12,171,668.40

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Solution

The fourth proportional to 20,674,724.40, 30,964,847.40 and 12,171,668.40 is: 18,229,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674,724.40 : 30,964,847.40 = 12,171,668.40 : x
  2. Step 2: Convert to fraction form
    20,674,724.40/30,964,847.40 = 12,171,668.40/x
  3. Step 3: Cross multiply
    20,674,724.40x = 30,964,847.40 × 12,171,668.40
  4. Step 4: Simplify right side
    20,674,724.40x = 376,893,854,609,402.12
  5. Step 5: Solve for x
    x = 376,893,854,609,402.12/20,674,724.40
  6. Step 6: Final answer
    x = 18,229,691.84

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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.