Home / 22,142,963.40-33,214,445.10-18,615,769.80

Finding the Fourth Proportional to 22,142,963.40, 33,214,445.10 and 18,615,769.80

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Solution

The fourth proportional to 22,142,963.40, 33,214,445.10 and 18,615,769.80 is: 27,923,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142,963.40 : 33,214,445.10 = 18,615,769.80 : x
  2. Step 2: Convert to fraction form
    22,142,963.40/33,214,445.10 = 18,615,769.80/x
  3. Step 3: Cross multiply
    22,142,963.40x = 33,214,445.10 × 18,615,769.80
  4. Step 4: Simplify right side
    22,142,963.40x = 618,312,464,016,338
  5. Step 5: Solve for x
    x = 618,312,464,016,338/22,142,963.40
  6. Step 6: Final answer
    x = 27,923,654.70

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Double scale
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1.5x scale

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.