Home / 22,195,865.70-33,059,748.78-21,199,990.14

Finding the Fourth Proportional to 22,195,865.70, 33,059,748.78 and 21,199,990.14

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Solution

The fourth proportional to 22,195,865.70, 33,059,748.78 and 21,199,990.14 is: 31,576,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195,865.70 : 33,059,748.78 = 21,199,990.14 : x
  2. Step 2: Convert to fraction form
    22,195,865.70/33,059,748.78 = 21,199,990.14/x
  3. Step 3: Cross multiply
    22,195,865.70x = 33,059,748.78 × 21,199,990.14
  4. Step 4: Simplify right side
    22,195,865.70x = 700,866,348,166,877.12
  5. Step 5: Solve for x
    x = 700,866,348,166,877.12/22,195,865.70
  6. Step 6: Final answer
    x = 31,576,436.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.