Home / 18,722,710.20-28,084,065.30-9,652,783.80

Finding the Fourth Proportional to 18,722,710.20, 28,084,065.30 and 9,652,783.80

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Solution

The fourth proportional to 18,722,710.20, 28,084,065.30 and 9,652,783.80 is: 14,479,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,710.20 : 28,084,065.30 = 9,652,783.80 : x
  2. Step 2: Convert to fraction form
    18,722,710.20/28,084,065.30 = 9,652,783.80/x
  3. Step 3: Cross multiply
    18,722,710.20x = 28,084,065.30 × 9,652,783.80
  4. Step 4: Simplify right side
    18,722,710.20x = 271,089,410,565,982.16
  5. Step 5: Solve for x
    x = 271,089,410,565,982.16/18,722,710.20
  6. Step 6: Final answer
    x = 14,479,175.70

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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.