Home / 10,992,056.40-16,488,084.60-8,157,704.40

Finding the Fourth Proportional to 10,992,056.40, 16,488,084.60 and 8,157,704.40

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Solution

The fourth proportional to 10,992,056.40, 16,488,084.60 and 8,157,704.40 is: 12,236,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,056.40 : 16,488,084.60 = 8,157,704.40 : x
  2. Step 2: Convert to fraction form
    10,992,056.40/16,488,084.60 = 8,157,704.40/x
  3. Step 3: Cross multiply
    10,992,056.40x = 16,488,084.60 × 8,157,704.40
  4. Step 4: Simplify right side
    10,992,056.40x = 134,504,920,288,992.25
  5. Step 5: Solve for x
    x = 134,504,920,288,992.25/10,992,056.40
  6. Step 6: Final answer
    x = 12,236,556.60

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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.