Home / 10,050,917.42-15,078,057.38-7,891,855.12

Finding the Fourth Proportional to 10,050,917.42, 15,078,057.38 and 7,891,855.12

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Solution

The fourth proportional to 10,050,917.42, 15,078,057.38 and 7,891,855.12 is: 11,839,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050,917.42 : 15,078,057.38 = 7,891,855.12 : x
  2. Step 2: Convert to fraction form
    10,050,917.42/15,078,057.38 = 7,891,855.12/x
  3. Step 3: Cross multiply
    10,050,917.42x = 15,078,057.38 × 7,891,855.12
  4. Step 4: Simplify right side
    10,050,917.42x = 118,993,844,334,006.80
  5. Step 5: Solve for x
    x = 118,993,844,334,006.80/10,050,917.42
  6. Step 6: Final answer
    x = 11,839,102.78

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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.