Home / 20,242,337.10-30,370,504.05-19,542,497.10

Finding the Fourth Proportional to 20,242,337.10, 30,370,504.05 and 19,542,497.10

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Solution

The fourth proportional to 20,242,337.10, 30,370,504.05 and 19,542,497.10 is: 29,320,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,337.10 : 30,370,504.05 = 19,542,497.10 : x
  2. Step 2: Convert to fraction form
    20,242,337.10/30,370,504.05 = 19,542,497.10/x
  3. Step 3: Cross multiply
    20,242,337.10x = 30,370,504.05 × 19,542,497.10
  4. Step 4: Simplify right side
    20,242,337.10x = 593,515,487,322,663.38
  5. Step 5: Solve for x
    x = 593,515,487,322,663.38/20,242,337.10
  6. Step 6: Final answer
    x = 29,320,502.09

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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.