Home / 22,151,363.20-33,160,689.60-13,171,292.80

Finding the Fourth Proportional to 22,151,363.20, 33,160,689.60 and 13,171,292.80

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Solution

The fourth proportional to 22,151,363.20, 33,160,689.60 and 13,171,292.80 is: 19,717,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151,363.20 : 33,160,689.60 = 13,171,292.80 : x
  2. Step 2: Convert to fraction form
    22,151,363.20/33,160,689.60 = 13,171,292.80/x
  3. Step 3: Cross multiply
    22,151,363.20x = 33,160,689.60 × 13,171,292.80
  4. Step 4: Simplify right side
    22,151,363.20x = 436,769,152,171,514.94
  5. Step 5: Solve for x
    x = 436,769,152,171,514.94/22,151,363.20
  6. Step 6: Final answer
    x = 19,717,484.12

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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.