Home / 5,715,655.78-8,607,698.67-5,205,472.42

Finding the Fourth Proportional to 5,715,655.78, 8,607,698.67 and 5,205,472.42

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Solution

The fourth proportional to 5,715,655.78, 8,607,698.67 and 5,205,472.42 is: 7,839,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,655.78 : 8,607,698.67 = 5,205,472.42 : x
  2. Step 2: Convert to fraction form
    5,715,655.78/8,607,698.67 = 5,205,472.42/x
  3. Step 3: Cross multiply
    5,715,655.78x = 8,607,698.67 × 5,205,472.42
  4. Step 4: Simplify right side
    5,715,655.78x = 44,807,138,026,355.68
  5. Step 5: Solve for x
    x = 44,807,138,026,355.68/5,715,655.78
  6. Step 6: Final answer
    x = 7,839,369.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.