Home / 22,142,965.90-33,214,448.85-18,615,772.30

Finding the Fourth Proportional to 22,142,965.90, 33,214,448.85 and 18,615,772.30

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Solution

The fourth proportional to 22,142,965.90, 33,214,448.85 and 18,615,772.30 is: 27,923,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142,965.90 : 33,214,448.85 = 18,615,772.30 : x
  2. Step 2: Convert to fraction form
    22,142,965.90/33,214,448.85 = 18,615,772.30/x
  3. Step 3: Cross multiply
    22,142,965.90x = 33,214,448.85 × 18,615,772.30
  4. Step 4: Simplify right side
    22,142,965.90x = 618,312,616,861,596.88
  5. Step 5: Solve for x
    x = 618,312,616,861,596.88/22,142,965.90
  6. Step 6: Final answer
    x = 27,923,658.45

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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.