Home / 10,961,037.60-16,441,556.40-10,520,138.40

Finding the Fourth Proportional to 10,961,037.60, 16,441,556.40 and 10,520,138.40

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Solution

The fourth proportional to 10,961,037.60, 16,441,556.40 and 10,520,138.40 is: 15,780,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,037.60 : 16,441,556.40 = 10,520,138.40 : x
  2. Step 2: Convert to fraction form
    10,961,037.60/16,441,556.40 = 10,520,138.40/x
  3. Step 3: Cross multiply
    10,961,037.60x = 16,441,556.40 × 10,520,138.40
  4. Step 4: Simplify right side
    10,961,037.60x = 172,967,448,839,405.78
  5. Step 5: Solve for x
    x = 172,967,448,839,405.78/10,961,037.60
  6. Step 6: Final answer
    x = 15,780,207.60

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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.