Home / 13,269,234.80-18,309,569.02-7,467,670.54

Finding the Fourth Proportional to 13,269,234.80, 18,309,569.02 and 7,467,670.54

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Solution

The fourth proportional to 13,269,234.80, 18,309,569.02 and 7,467,670.54 is: 10,304,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,234.80 : 18,309,569.02 = 7,467,670.54 : x
  2. Step 2: Convert to fraction form
    13,269,234.80/18,309,569.02 = 7,467,670.54/x
  3. Step 3: Cross multiply
    13,269,234.80x = 18,309,569.02 × 7,467,670.54
  4. Step 4: Simplify right side
    13,269,234.80x = 136,729,829,170,750.67
  5. Step 5: Solve for x
    x = 136,729,829,170,750.67/13,269,234.80
  6. Step 6: Final answer
    x = 10,304,273.85

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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.