Home / 13,564,145.72-20,346,410.04-3,979,722.14

Finding the Fourth Proportional to 13,564,145.72, 20,346,410.04 and 3,979,722.14

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Solution

The fourth proportional to 13,564,145.72, 20,346,410.04 and 3,979,722.14 is: 5,969,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,145.72 : 20,346,410.04 = 3,979,722.14 : x
  2. Step 2: Convert to fraction form
    13,564,145.72/20,346,410.04 = 3,979,722.14/x
  3. Step 3: Cross multiply
    13,564,145.72x = 20,346,410.04 × 3,979,722.14
  4. Step 4: Simplify right side
    13,564,145.72x = 80,973,058,505,706.28
  5. Step 5: Solve for x
    x = 80,973,058,505,706.28/13,564,145.72
  6. Step 6: Final answer
    x = 5,969,639.38

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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.