Home / 22,143,279.60-33,214,919.40-11,939,612.40

Finding the Fourth Proportional to 22,143,279.60, 33,214,919.40 and 11,939,612.40

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Solution

The fourth proportional to 22,143,279.60, 33,214,919.40 and 11,939,612.40 is: 17,909,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,279.60 : 33,214,919.40 = 11,939,612.40 : x
  2. Step 2: Convert to fraction form
    22,143,279.60/33,214,919.40 = 11,939,612.40/x
  3. Step 3: Cross multiply
    22,143,279.60x = 33,214,919.40 × 11,939,612.40
  4. Step 4: Simplify right side
    22,143,279.60x = 396,573,263,533,240.56
  5. Step 5: Solve for x
    x = 396,573,263,533,240.56/22,143,279.60
  6. Step 6: Final answer
    x = 17,909,418.60

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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.