Home / 19,986,779.45-27,581,945.79-11,726,982.25

Finding the Fourth Proportional to 19,986,779.45, 27,581,945.79 and 11,726,982.25

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Solution

The fourth proportional to 19,986,779.45, 27,581,945.79 and 11,726,982.25 is: 16,183,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986,779.45 : 27,581,945.79 = 11,726,982.25 : x
  2. Step 2: Convert to fraction form
    19,986,779.45/27,581,945.79 = 11,726,982.25/x
  3. Step 3: Cross multiply
    19,986,779.45x = 27,581,945.79 × 11,726,982.25
  4. Step 4: Simplify right side
    19,986,779.45x = 323,452,988,674,813.56
  5. Step 5: Solve for x
    x = 323,452,988,674,813.56/19,986,779.45
  6. Step 6: Final answer
    x = 16,183,347.07

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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.