Home / 21,059,809.97-31,566,530.05-13,770,263.57

Finding the Fourth Proportional to 21,059,809.97, 31,566,530.05 and 13,770,263.57

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Solution

The fourth proportional to 21,059,809.97, 31,566,530.05 and 13,770,263.57 is: 20,640,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059,809.97 : 31,566,530.05 = 13,770,263.57 : x
  2. Step 2: Convert to fraction form
    21,059,809.97/31,566,530.05 = 13,770,263.57/x
  3. Step 3: Cross multiply
    21,059,809.97x = 31,566,530.05 × 13,770,263.57
  4. Step 4: Simplify right side
    21,059,809.97x = 434,679,438,586,566.94
  5. Step 5: Solve for x
    x = 434,679,438,586,566.94/21,059,809.97
  6. Step 6: Final answer
    x = 20,640,235.56

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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.