Home / 12,338,491.62-17,026,942.41-6,831,338.34

Finding the Fourth Proportional to 12,338,491.62, 17,026,942.41 and 6,831,338.34

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Solution

The fourth proportional to 12,338,491.62, 17,026,942.41 and 6,831,338.34 is: 9,427,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338,491.62 : 17,026,942.41 = 6,831,338.34 : x
  2. Step 2: Convert to fraction form
    12,338,491.62/17,026,942.41 = 6,831,338.34/x
  3. Step 3: Cross multiply
    12,338,491.62x = 17,026,942.41 × 6,831,338.34
  4. Step 4: Simplify right side
    12,338,491.62x = 116,316,804,498,405
  5. Step 5: Solve for x
    x = 116,316,804,498,405/12,338,491.62
  6. Step 6: Final answer
    x = 9,427,149.45

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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.