Home / 12,474,184.80-18,711,277.20-8,647,809.60

Finding the Fourth Proportional to 12,474,184.80, 18,711,277.20 and 8,647,809.60

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Solution

The fourth proportional to 12,474,184.80, 18,711,277.20 and 8,647,809.60 is: 12,971,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,184.80 : 18,711,277.20 = 8,647,809.60 : x
  2. Step 2: Convert to fraction form
    12,474,184.80/18,711,277.20 = 8,647,809.60/x
  3. Step 3: Cross multiply
    12,474,184.80x = 18,711,277.20 × 8,647,809.60
  4. Step 4: Simplify right side
    12,474,184.80x = 161,811,562,598,421.09
  5. Step 5: Solve for x
    x = 161,811,562,598,421.09/12,474,184.80
  6. Step 6: Final answer
    x = 12,971,714.40

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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.