Home / 19,144,358.82-28,712,164.68-5,497,396.80

Finding the Fourth Proportional to 19,144,358.82, 28,712,164.68 and 5,497,396.80

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Solution

The fourth proportional to 19,144,358.82, 28,712,164.68 and 5,497,396.80 is: 8,244,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,358.82 : 28,712,164.68 = 5,497,396.80 : x
  2. Step 2: Convert to fraction form
    19,144,358.82/28,712,164.68 = 5,497,396.80/x
  3. Step 3: Cross multiply
    19,144,358.82x = 28,712,164.68 × 5,497,396.80
  4. Step 4: Simplify right side
    19,144,358.82x = 157,842,162,232,905.03
  5. Step 5: Solve for x
    x = 157,842,162,232,905.03/19,144,358.82
  6. Step 6: Final answer
    x = 8,244,839.31

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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.