Home / 12,709,243.92-17,538,327.36-7,275,686.16

Finding the Fourth Proportional to 12,709,243.92, 17,538,327.36 and 7,275,686.16

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Solution

The fourth proportional to 12,709,243.92, 17,538,327.36 and 7,275,686.16 is: 10,040,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,243.92 : 17,538,327.36 = 7,275,686.16 : x
  2. Step 2: Convert to fraction form
    12,709,243.92/17,538,327.36 = 7,275,686.16/x
  3. Step 3: Cross multiply
    12,709,243.92x = 17,538,327.36 × 7,275,686.16
  4. Step 4: Simplify right side
    12,709,243.92x = 127,603,365,642,701.33
  5. Step 5: Solve for x
    x = 127,603,365,642,701.33/12,709,243.92
  6. Step 6: Final answer
    x = 10,040,201.17

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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.