Home / 19,419,431.52-28,981,485.78-17,267,151.36

Finding the Fourth Proportional to 19,419,431.52, 28,981,485.78 and 17,267,151.36

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Solution

The fourth proportional to 19,419,431.52, 28,981,485.78 and 17,267,151.36 is: 25,769,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,431.52 : 28,981,485.78 = 17,267,151.36 : x
  2. Step 2: Convert to fraction form
    19,419,431.52/28,981,485.78 = 17,267,151.36/x
  3. Step 3: Cross multiply
    19,419,431.52x = 28,981,485.78 × 17,267,151.36
  4. Step 4: Simplify right side
    19,419,431.52x = 500,427,701,600,947.69
  5. Step 5: Solve for x
    x = 500,427,701,600,947.69/19,419,431.52
  6. Step 6: Final answer
    x = 25,769,431.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.