Home / 18,816,000.40-28,224,000.60-6,847,181.20

Finding the Fourth Proportional to 18,816,000.40, 28,224,000.60 and 6,847,181.20

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Solution

The fourth proportional to 18,816,000.40, 28,224,000.60 and 6,847,181.20 is: 10,270,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,000.40 : 28,224,000.60 = 6,847,181.20 : x
  2. Step 2: Convert to fraction form
    18,816,000.40/28,224,000.60 = 6,847,181.20/x
  3. Step 3: Cross multiply
    18,816,000.40x = 28,224,000.60 × 6,847,181.20
  4. Step 4: Simplify right side
    18,816,000.40x = 193,254,846,297,108.75
  5. Step 5: Solve for x
    x = 193,254,846,297,108.75/18,816,000.40
  6. Step 6: Final answer
    x = 10,270,771.80

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1.5x scale

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.