Home / 15,206,980-22,810,499.28-3,692,398.72

Finding the Fourth Proportional to 15,206,980, 22,810,499.28 and 3,692,398.72

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Solution

The fourth proportional to 15,206,980, 22,810,499.28 and 3,692,398.72 is: 5,538,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206,980 : 22,810,499.28 = 3,692,398.72 : x
  2. Step 2: Convert to fraction form
    15,206,980/22,810,499.28 = 3,692,398.72/x
  3. Step 3: Cross multiply
    15,206,980x = 22,810,499.28 × 3,692,398.72
  4. Step 4: Simplify right side
    15,206,980x = 84,225,458,344,032.94
  5. Step 5: Solve for x
    x = 84,225,458,344,032.94/15,206,980
  6. Step 6: Final answer
    x = 5,538,605.19

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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.