Home / 6,644,126.40-9,959,968.80-5,204,011.20

Finding the Fourth Proportional to 6,644,126.40, 9,959,968.80 and 5,204,011.20

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Solution

The fourth proportional to 6,644,126.40, 9,959,968.80 and 5,204,011.20 is: 7,801,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,126.40 : 9,959,968.80 = 5,204,011.20 : x
  2. Step 2: Convert to fraction form
    6,644,126.40/9,959,968.80 = 5,204,011.20/x
  3. Step 3: Cross multiply
    6,644,126.40x = 9,959,968.80 × 5,204,011.20
  4. Step 4: Simplify right side
    6,644,126.40x = 51,831,789,186,850.56
  5. Step 5: Solve for x
    x = 51,831,789,186,850.56/6,644,126.40
  6. Step 6: Final answer
    x = 7,801,144.36

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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.