Home / 19,919,109.52-29,878,496.56-5,542,136

Finding the Fourth Proportional to 19,919,109.52, 29,878,496.56 and 5,542,136

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Solution

The fourth proportional to 19,919,109.52, 29,878,496.56 and 5,542,136 is: 8,313,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,109.52 : 29,878,496.56 = 5,542,136 : x
  2. Step 2: Convert to fraction form
    19,919,109.52/29,878,496.56 = 5,542,136/x
  3. Step 3: Cross multiply
    19,919,109.52x = 29,878,496.56 × 5,542,136
  4. Step 4: Simplify right side
    19,919,109.52x = 165,590,691,411,052.16
  5. Step 5: Solve for x
    x = 165,590,691,411,052.16/19,919,109.52
  6. Step 6: Final answer
    x = 8,313,157.33

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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.