Home / 19,581,354.23-27,022,998.11-11,742,142.78

Finding the Fourth Proportional to 19,581,354.23, 27,022,998.11 and 11,742,142.78

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Solution

The fourth proportional to 19,581,354.23, 27,022,998.11 and 11,742,142.78 is: 16,204,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581,354.23 : 27,022,998.11 = 11,742,142.78 : x
  2. Step 2: Convert to fraction form
    19,581,354.23/27,022,998.11 = 11,742,142.78/x
  3. Step 3: Cross multiply
    19,581,354.23x = 27,022,998.11 × 11,742,142.78
  4. Step 4: Simplify right side
    19,581,354.23x = 317,307,902,016,175.19
  5. Step 5: Solve for x
    x = 317,307,902,016,175.19/19,581,354.23
  6. Step 6: Final answer
    x = 16,204,594.34

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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.