Home / 13,781,622.90-20,670,858.24-3,685,031.22

Finding the Fourth Proportional to 13,781,622.90, 20,670,858.24 and 3,685,031.22

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Solution

The fourth proportional to 13,781,622.90, 20,670,858.24 and 3,685,031.22 is: 5,527,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,622.90 : 20,670,858.24 = 3,685,031.22 : x
  2. Step 2: Convert to fraction form
    13,781,622.90/20,670,858.24 = 3,685,031.22/x
  3. Step 3: Cross multiply
    13,781,622.90x = 20,670,858.24 × 3,685,031.22
  4. Step 4: Simplify right side
    13,781,622.90x = 76,172,757,958,594.25
  5. Step 5: Solve for x
    x = 76,172,757,958,594.25/13,781,622.90
  6. Step 6: Final answer
    x = 5,527,125.40

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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.