Home / 6,978,122.15-9,628,396.56-4,076,952.44

Finding the Fourth Proportional to 6,978,122.15, 9,628,396.56 and 4,076,952.44

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Solution

The fourth proportional to 6,978,122.15, 9,628,396.56 and 4,076,952.44 is: 5,625,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,122.15 : 9,628,396.56 = 4,076,952.44 : x
  2. Step 2: Convert to fraction form
    6,978,122.15/9,628,396.56 = 4,076,952.44/x
  3. Step 3: Cross multiply
    6,978,122.15x = 9,628,396.56 × 4,076,952.44
  4. Step 4: Simplify right side
    6,978,122.15x = 39,254,514,800,437.62
  5. Step 5: Solve for x
    x = 39,254,514,800,437.62/6,978,122.15
  6. Step 6: Final answer
    x = 5,625,369.40

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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.