Home / 12,769,885.48-17,622,816.27-6,969,040.21

Finding the Fourth Proportional to 12,769,885.48, 17,622,816.27 and 6,969,040.21

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Solution

The fourth proportional to 12,769,885.48, 17,622,816.27 and 6,969,040.21 is: 9,617,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,885.48 : 17,622,816.27 = 6,969,040.21 : x
  2. Step 2: Convert to fraction form
    12,769,885.48/17,622,816.27 = 6,969,040.21/x
  3. Step 3: Cross multiply
    12,769,885.48x = 17,622,816.27 × 6,969,040.21
  4. Step 4: Simplify right side
    12,769,885.48x = 122,814,115,174,798.08
  5. Step 5: Solve for x
    x = 122,814,115,174,798.08/12,769,885.48
  6. Step 6: Final answer
    x = 9,617,479.76

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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.