Home / 13,149,907.73-18,146,820.15-7,348,687.95

Finding the Fourth Proportional to 13,149,907.73, 18,146,820.15 and 7,348,687.95

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Solution

The fourth proportional to 13,149,907.73, 18,146,820.15 and 7,348,687.95 is: 10,141,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,907.73 : 18,146,820.15 = 7,348,687.95 : x
  2. Step 2: Convert to fraction form
    13,149,907.73/18,146,820.15 = 7,348,687.95/x
  3. Step 3: Cross multiply
    13,149,907.73x = 18,146,820.15 × 7,348,687.95
  4. Step 4: Simplify right side
    13,149,907.73x = 133,355,318,567,122.19
  5. Step 5: Solve for x
    x = 133,355,318,567,122.19/13,149,907.73
  6. Step 6: Final answer
    x = 10,141,160.03

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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.