Home / 18,346,629.78-27,460,061.56-13,487,649.57

Finding the Fourth Proportional to 18,346,629.78, 27,460,061.56 and 13,487,649.57

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Solution

The fourth proportional to 18,346,629.78, 27,460,061.56 and 13,487,649.57 is: 20,187,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,629.78 : 27,460,061.56 = 13,487,649.57 : x
  2. Step 2: Convert to fraction form
    18,346,629.78/27,460,061.56 = 13,487,649.57/x
  3. Step 3: Cross multiply
    18,346,629.78x = 27,460,061.56 × 13,487,649.57
  4. Step 4: Simplify right side
    18,346,629.78x = 370,371,687,491,907.50
  5. Step 5: Solve for x
    x = 370,371,687,491,907.50/18,346,629.78
  6. Step 6: Final answer
    x = 20,187,450.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.