Home / 19,581,353.73-27,022,997.42-11,742,142.28

Finding the Fourth Proportional to 19,581,353.73, 27,022,997.42 and 11,742,142.28

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Solution

The fourth proportional to 19,581,353.73, 27,022,997.42 and 11,742,142.28 is: 16,204,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581,353.73 : 27,022,997.42 = 11,742,142.28 : x
  2. Step 2: Convert to fraction form
    19,581,353.73/27,022,997.42 = 11,742,142.28/x
  3. Step 3: Cross multiply
    19,581,353.73x = 27,022,997.42 × 11,742,142.28
  4. Step 4: Simplify right side
    19,581,353.73x = 317,307,880,387,920.25
  5. Step 5: Solve for x
    x = 317,307,880,387,920.25/19,581,353.73
  6. Step 6: Final answer
    x = 16,204,593.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.