Home / 13,681,883.92-20,518,602.77-3,967,213.01

Finding the Fourth Proportional to 13,681,883.92, 20,518,602.77 and 3,967,213.01

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Solution

The fourth proportional to 13,681,883.92, 20,518,602.77 and 3,967,213.01 is: 5,949,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,883.92 : 20,518,602.77 = 3,967,213.01 : x
  2. Step 2: Convert to fraction form
    13,681,883.92/20,518,602.77 = 3,967,213.01/x
  3. Step 3: Cross multiply
    13,681,883.92x = 20,518,602.77 × 3,967,213.01
  4. Step 4: Simplify right side
    13,681,883.92x = 81,401,667,856,166.03
  5. Step 5: Solve for x
    x = 81,401,667,856,166.03/13,681,883.92
  6. Step 6: Final answer
    x = 5,949,594.98

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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.