Home / 13,501,713-18,632,538.96-7,390,010.28

Finding the Fourth Proportional to 13,501,713, 18,632,538.96 and 7,390,010.28

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Solution

The fourth proportional to 13,501,713, 18,632,538.96 and 7,390,010.28 is: 10,198,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,713 : 18,632,538.96 = 7,390,010.28 : x
  2. Step 2: Convert to fraction form
    13,501,713/18,632,538.96 = 7,390,010.28/x
  3. Step 3: Cross multiply
    13,501,713x = 18,632,538.96 × 7,390,010.28
  4. Step 4: Simplify right side
    13,501,713x = 137,694,654,456,900.52
  5. Step 5: Solve for x
    x = 137,694,654,456,900.52/13,501,713
  6. Step 6: Final answer
    x = 10,198,309.98

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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.