Home / 13,202,935.31-18,219,779.22-7,321,620.41

Finding the Fourth Proportional to 13,202,935.31, 18,219,779.22 and 7,321,620.41

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Solution

The fourth proportional to 13,202,935.31, 18,219,779.22 and 7,321,620.41 is: 10,103,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,935.31 : 18,219,779.22 = 7,321,620.41 : x
  2. Step 2: Convert to fraction form
    13,202,935.31/18,219,779.22 = 7,321,620.41/x
  3. Step 3: Cross multiply
    13,202,935.31x = 18,219,779.22 × 7,321,620.41
  4. Step 4: Simplify right side
    13,202,935.31x = 133,398,307,402,845.88
  5. Step 5: Solve for x
    x = 133,398,307,402,845.88/13,202,935.31
  6. Step 6: Final answer
    x = 10,103,685.60

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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.