Home / 13,494,623.20-20,241,934.80-3,910,314.40

Finding the Fourth Proportional to 13,494,623.20, 20,241,934.80 and 3,910,314.40

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Solution

The fourth proportional to 13,494,623.20, 20,241,934.80 and 3,910,314.40 is: 5,865,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,623.20 : 20,241,934.80 = 3,910,314.40 : x
  2. Step 2: Convert to fraction form
    13,494,623.20/20,241,934.80 = 3,910,314.40/x
  3. Step 3: Cross multiply
    13,494,623.20x = 20,241,934.80 × 3,910,314.40
  4. Step 4: Simplify right side
    13,494,623.20x = 79,152,329,132,301.12
  5. Step 5: Solve for x
    x = 79,152,329,132,301.12/13,494,623.20
  6. Step 6: Final answer
    x = 5,865,471.60

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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.