Home / 12,802,541.72-17,669,121.49-8,395,973.20

Finding the Fourth Proportional to 12,802,541.72, 17,669,121.49 and 8,395,973.20

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Solution

The fourth proportional to 12,802,541.72, 17,669,121.49 and 8,395,973.20 is: 11,587,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802,541.72 : 17,669,121.49 = 8,395,973.20 : x
  2. Step 2: Convert to fraction form
    12,802,541.72/17,669,121.49 = 8,395,973.20/x
  3. Step 3: Cross multiply
    12,802,541.72x = 17,669,121.49 × 8,395,973.20
  4. Step 4: Simplify right side
    12,802,541.72x = 148,349,470,497,584.03
  5. Step 5: Solve for x
    x = 148,349,470,497,584.03/12,802,541.72
  6. Step 6: Final answer
    x = 11,587,501.43

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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.