Home / 13,828,812.10-20,743,218.15-3,731,416.90

Finding the Fourth Proportional to 13,828,812.10, 20,743,218.15 and 3,731,416.90

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Solution

The fourth proportional to 13,828,812.10, 20,743,218.15 and 3,731,416.90 is: 5,597,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,812.10 : 20,743,218.15 = 3,731,416.90 : x
  2. Step 2: Convert to fraction form
    13,828,812.10/20,743,218.15 = 3,731,416.90/x
  3. Step 3: Cross multiply
    13,828,812.10x = 20,743,218.15 × 3,731,416.90
  4. Step 4: Simplify right side
    13,828,812.10x = 77,401,594,765,296.73
  5. Step 5: Solve for x
    x = 77,401,594,765,296.73/13,828,812.10
  6. Step 6: Final answer
    x = 5,597,125.35

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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.