Home / 6,540,576.30-9,810,864.45-5,121,845.10

Finding the Fourth Proportional to 6,540,576.30, 9,810,864.45 and 5,121,845.10

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Solution

The fourth proportional to 6,540,576.30, 9,810,864.45 and 5,121,845.10 is: 7,682,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540,576.30 : 9,810,864.45 = 5,121,845.10 : x
  2. Step 2: Convert to fraction form
    6,540,576.30/9,810,864.45 = 5,121,845.10/x
  3. Step 3: Cross multiply
    6,540,576.30x = 9,810,864.45 × 5,121,845.10
  4. Step 4: Simplify right side
    6,540,576.30x = 50,249,728,009,996.69
  5. Step 5: Solve for x
    x = 50,249,728,009,996.69/6,540,576.30
  6. Step 6: Final answer
    x = 7,682,767.65

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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.