Home / 12,096,791.20-18,145,186.80-6,994,957.60

Finding the Fourth Proportional to 12,096,791.20, 18,145,186.80 and 6,994,957.60

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Solution

The fourth proportional to 12,096,791.20, 18,145,186.80 and 6,994,957.60 is: 10,492,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,791.20 : 18,145,186.80 = 6,994,957.60 : x
  2. Step 2: Convert to fraction form
    12,096,791.20/18,145,186.80 = 6,994,957.60/x
  3. Step 3: Cross multiply
    12,096,791.20x = 18,145,186.80 × 6,994,957.60
  4. Step 4: Simplify right side
    12,096,791.20x = 126,924,812,310,079.67
  5. Step 5: Solve for x
    x = 126,924,812,310,079.67/12,096,791.20
  6. Step 6: Final answer
    x = 10,492,436.40

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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.