Home / 13,140,083.56-18,131,523.38-7,338,125.56

Finding the Fourth Proportional to 13,140,083.56, 18,131,523.38 and 7,338,125.56

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Solution

The fourth proportional to 13,140,083.56, 18,131,523.38 and 7,338,125.56 is: 10,125,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,083.56 : 18,131,523.38 = 7,338,125.56 : x
  2. Step 2: Convert to fraction form
    13,140,083.56/18,131,523.38 = 7,338,125.56/x
  3. Step 3: Cross multiply
    13,140,083.56x = 18,131,523.38 × 7,338,125.56
  4. Step 4: Simplify right side
    13,140,083.56x = 133,051,395,156,515.58
  5. Step 5: Solve for x
    x = 133,051,395,156,515.58/13,140,083.56
  6. Step 6: Final answer
    x = 10,125,612.56

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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.