Home / 13,484,209.73-18,608,209.38-7,372,638.23

Finding the Fourth Proportional to 13,484,209.73, 18,608,209.38 and 7,372,638.23

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Solution

The fourth proportional to 13,484,209.73, 18,608,209.38 and 7,372,638.23 is: 10,174,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,209.73 : 18,608,209.38 = 7,372,638.23 : x
  2. Step 2: Convert to fraction form
    13,484,209.73/18,608,209.38 = 7,372,638.23/x
  3. Step 3: Cross multiply
    13,484,209.73x = 18,608,209.38 × 7,372,638.23
  4. Step 4: Simplify right side
    13,484,209.73x = 137,191,595,773,791.53
  5. Step 5: Solve for x
    x = 137,191,595,773,791.53/13,484,209.73
  6. Step 6: Final answer
    x = 10,174,240.73

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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.