Home / 17,437,990.77-26,162,866.35-7,721,277.21

Finding the Fourth Proportional to 17,437,990.77, 26,162,866.35 and 7,721,277.21

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Solution

The fourth proportional to 17,437,990.77, 26,162,866.35 and 7,721,277.21 is: 11,584,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,437,990.77 : 26,162,866.35 = 7,721,277.21 : x
  2. Step 2: Convert to fraction form
    17,437,990.77/26,162,866.35 = 7,721,277.21/x
  3. Step 3: Cross multiply
    17,437,990.77x = 26,162,866.35 × 7,721,277.21
  4. Step 4: Simplify right side
    17,437,990.77x = 202,010,743,696,530.91
  5. Step 5: Solve for x
    x = 202,010,743,696,530.91/17,437,990.77
  6. Step 6: Final answer
    x = 11,584,519.48

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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.