Home / 18,508,438.50-25,544,528.20-10,560,996.69

Finding the Fourth Proportional to 18,508,438.50, 25,544,528.20 and 10,560,996.69

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Solution

The fourth proportional to 18,508,438.50, 25,544,528.20 and 10,560,996.69 is: 14,575,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508,438.50 : 25,544,528.20 = 10,560,996.69 : x
  2. Step 2: Convert to fraction form
    18,508,438.50/25,544,528.20 = 10,560,996.69/x
  3. Step 3: Cross multiply
    18,508,438.50x = 25,544,528.20 × 10,560,996.69
  4. Step 4: Simplify right side
    18,508,438.50x = 269,775,677,728,571.47
  5. Step 5: Solve for x
    x = 269,775,677,728,571.47/18,508,438.50
  6. Step 6: Final answer
    x = 14,575,820.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.