Home / 13,609,747.36-20,412,406.70-5,522,396.32

Finding the Fourth Proportional to 13,609,747.36, 20,412,406.70 and 5,522,396.32

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Solution

The fourth proportional to 13,609,747.36, 20,412,406.70 and 5,522,396.32 is: 8,282,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,747.36 : 20,412,406.70 = 5,522,396.32 : x
  2. Step 2: Convert to fraction form
    13,609,747.36/20,412,406.70 = 5,522,396.32/x
  3. Step 3: Cross multiply
    13,609,747.36x = 20,412,406.70 × 5,522,396.32
  4. Step 4: Simplify right side
    13,609,747.36x = 112,725,399,642,423.34
  5. Step 5: Solve for x
    x = 112,725,399,642,423.34/13,609,747.36
  6. Step 6: Final answer
    x = 8,282,695.97

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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.