Home / 18,883,974.60-28,325,961.90-17,435,305.80

Finding the Fourth Proportional to 18,883,974.60, 28,325,961.90 and 17,435,305.80

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Solution

The fourth proportional to 18,883,974.60, 28,325,961.90 and 17,435,305.80 is: 26,152,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,974.60 : 28,325,961.90 = 17,435,305.80 : x
  2. Step 2: Convert to fraction form
    18,883,974.60/28,325,961.90 = 17,435,305.80/x
  3. Step 3: Cross multiply
    18,883,974.60x = 28,325,961.90 × 17,435,305.80
  4. Step 4: Simplify right side
    18,883,974.60x = 493,871,807,805,649
  5. Step 5: Solve for x
    x = 493,871,807,805,649/18,883,974.60
  6. Step 6: Final answer
    x = 26,152,958.70

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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.