Home / 20,585,860.34-28,408,396.26-11,765,164.46

Finding the Fourth Proportional to 20,585,860.34, 28,408,396.26 and 11,765,164.46

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Solution

The fourth proportional to 20,585,860.34, 28,408,396.26 and 11,765,164.46 is: 16,235,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585,860.34 : 28,408,396.26 = 11,765,164.46 : x
  2. Step 2: Convert to fraction form
    20,585,860.34/28,408,396.26 = 11,765,164.46/x
  3. Step 3: Cross multiply
    20,585,860.34x = 28,408,396.26 × 11,765,164.46
  4. Step 4: Simplify right side
    20,585,860.34x = 334,229,454,043,748.94
  5. Step 5: Solve for x
    x = 334,229,454,043,748.94/20,585,860.34
  6. Step 6: Final answer
    x = 16,235,874.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.