Home / 13,202,932.31-18,219,775.08-7,321,617.41

Finding the Fourth Proportional to 13,202,932.31, 18,219,775.08 and 7,321,617.41

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Solution

The fourth proportional to 13,202,932.31, 18,219,775.08 and 7,321,617.41 is: 10,103,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,932.31 : 18,219,775.08 = 7,321,617.41 : x
  2. Step 2: Convert to fraction form
    13,202,932.31/18,219,775.08 = 7,321,617.41/x
  3. Step 3: Cross multiply
    13,202,932.31x = 18,219,775.08 × 7,321,617.41
  4. Step 4: Simplify right side
    13,202,932.31x = 133,398,222,432,012.12
  5. Step 5: Solve for x
    x = 133,398,222,432,012.12/13,202,932.31
  6. Step 6: Final answer
    x = 10,103,681.46

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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.