Home / 13,419,590.40-20,129,385.60-3,322,211.40

Finding the Fourth Proportional to 13,419,590.40, 20,129,385.60 and 3,322,211.40

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Solution

The fourth proportional to 13,419,590.40, 20,129,385.60 and 3,322,211.40 is: 4,983,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,590.40 : 20,129,385.60 = 3,322,211.40 : x
  2. Step 2: Convert to fraction form
    13,419,590.40/20,129,385.60 = 3,322,211.40/x
  3. Step 3: Cross multiply
    13,419,590.40x = 20,129,385.60 × 3,322,211.40
  4. Step 4: Simplify right side
    13,419,590.40x = 66,874,074,315,315.84
  5. Step 5: Solve for x
    x = 66,874,074,315,315.84/13,419,590.40
  6. Step 6: Final answer
    x = 4,983,317.10

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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.