Home / 22,195,765.90-33,059,600.75-21,199,890.34

Finding the Fourth Proportional to 22,195,765.90, 33,059,600.75 and 21,199,890.34

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Solution

The fourth proportional to 22,195,765.90, 33,059,600.75 and 21,199,890.34 is: 31,576,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195,765.90 : 33,059,600.75 = 21,199,890.34 : x
  2. Step 2: Convert to fraction form
    22,195,765.90/33,059,600.75 = 21,199,890.34/x
  3. Step 3: Cross multiply
    22,195,765.90x = 33,059,600.75 × 21,199,890.34
  4. Step 4: Simplify right side
    22,195,765.90x = 700,859,910,678,506
  5. Step 5: Solve for x
    x = 700,859,910,678,506/22,195,765.90
  6. Step 6: Final answer
    x = 31,576,288.64

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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.