Home / 13,000,008.53-17,938,252.31-7,198,641.11

Finding the Fourth Proportional to 13,000,008.53, 17,938,252.31 and 7,198,641.11

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Solution

The fourth proportional to 13,000,008.53, 17,938,252.31 and 7,198,641.11 is: 9,933,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,008.53 : 17,938,252.31 = 7,198,641.11 : x
  2. Step 2: Convert to fraction form
    13,000,008.53/17,938,252.31 = 7,198,641.11/x
  3. Step 3: Cross multiply
    13,000,008.53x = 17,938,252.31 × 7,198,641.11
  4. Step 4: Simplify right side
    13,000,008.53x = 129,131,040,529,170.89
  5. Step 5: Solve for x
    x = 129,131,040,529,170.89/13,000,008.53
  6. Step 6: Final answer
    x = 9,933,150.44

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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.