Home / 20,101,548.87-29,924,982.63-19,981,974.24

Finding the Fourth Proportional to 20,101,548.87, 29,924,982.63 and 19,981,974.24

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Solution

The fourth proportional to 20,101,548.87, 29,924,982.63 and 19,981,974.24 is: 29,746,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,548.87 : 29,924,982.63 = 19,981,974.24 : x
  2. Step 2: Convert to fraction form
    20,101,548.87/29,924,982.63 = 19,981,974.24/x
  3. Step 3: Cross multiply
    20,101,548.87x = 29,924,982.63 × 19,981,974.24
  4. Step 4: Simplify right side
    20,101,548.87x = 597,960,232,045,107.38
  5. Step 5: Solve for x
    x = 597,960,232,045,107.38/20,101,548.87
  6. Step 6: Final answer
    x = 29,746,973.03

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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.