Home / 26,986,811.60-40,498,879.80-19,419,208.40

Finding the Fourth Proportional to 26,986,811.60, 40,498,879.80 and 19,419,208.40

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Solution

The fourth proportional to 26,986,811.60, 40,498,879.80 and 19,419,208.40 is: 29,142,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986,811.60 : 40,498,879.80 = 19,419,208.40 : x
  2. Step 2: Convert to fraction form
    26,986,811.60/40,498,879.80 = 19,419,208.40/x
  3. Step 3: Cross multiply
    26,986,811.60x = 40,498,879.80 × 19,419,208.40
  4. Step 4: Simplify right side
    26,986,811.60x = 786,456,186,802,750.25
  5. Step 5: Solve for x
    x = 786,456,186,802,750.25/26,986,811.60
  6. Step 6: Final answer
    x = 29,142,241.72

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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.