Home / 11,310,911.20-16,966,366.80-10,489,765.60

Finding the Fourth Proportional to 11,310,911.20, 16,966,366.80 and 10,489,765.60

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Solution

The fourth proportional to 11,310,911.20, 16,966,366.80 and 10,489,765.60 is: 15,734,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310,911.20 : 16,966,366.80 = 10,489,765.60 : x
  2. Step 2: Convert to fraction form
    11,310,911.20/16,966,366.80 = 10,489,765.60/x
  3. Step 3: Cross multiply
    11,310,911.20x = 16,966,366.80 × 10,489,765.60
  4. Step 4: Simplify right side
    11,310,911.20x = 177,973,210,815,622.09
  5. Step 5: Solve for x
    x = 177,973,210,815,622.09/11,310,911.20
  6. Step 6: Final answer
    x = 15,734,648.40

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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.