Home / 28,141,371.30-38,782,016.82-22,553,270.40

Finding the Fourth Proportional to 28,141,371.30, 38,782,016.82 and 22,553,270.40

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Solution

The fourth proportional to 28,141,371.30, 38,782,016.82 and 22,553,270.40 is: 31,080,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141,371.30 : 38,782,016.82 = 22,553,270.40 : x
  2. Step 2: Convert to fraction form
    28,141,371.30/38,782,016.82 = 22,553,270.40/x
  3. Step 3: Cross multiply
    28,141,371.30x = 38,782,016.82 × 22,553,270.40
  4. Step 4: Simplify right side
    28,141,371.30x = 874,661,311,998,808.12
  5. Step 5: Solve for x
    x = 874,661,311,998,808.12/28,141,371.30
  6. Step 6: Final answer
    x = 31,080,976.92

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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.