Home / 13,494,619.20-20,241,928.80-3,910,310.40

Finding the Fourth Proportional to 13,494,619.20, 20,241,928.80 and 3,910,310.40

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Solution

The fourth proportional to 13,494,619.20, 20,241,928.80 and 3,910,310.40 is: 5,865,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,619.20 : 20,241,928.80 = 3,910,310.40 : x
  2. Step 2: Convert to fraction form
    13,494,619.20/20,241,928.80 = 3,910,310.40/x
  3. Step 3: Cross multiply
    13,494,619.20x = 20,241,928.80 × 3,910,310.40
  4. Step 4: Simplify right side
    13,494,619.20x = 79,152,224,702,699.52
  5. Step 5: Solve for x
    x = 79,152,224,702,699.52/13,494,619.20
  6. Step 6: Final answer
    x = 5,865,465.60

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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.