Home / 21,747,808.98-30,016,542.96-13,795,207.56

Finding the Fourth Proportional to 21,747,808.98, 30,016,542.96 and 13,795,207.56

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Solution

The fourth proportional to 21,747,808.98, 30,016,542.96 and 13,795,207.56 is: 19,040,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747,808.98 : 30,016,542.96 = 13,795,207.56 : x
  2. Step 2: Convert to fraction form
    21,747,808.98/30,016,542.96 = 13,795,207.56/x
  3. Step 3: Cross multiply
    21,747,808.98x = 30,016,542.96 × 13,795,207.56
  4. Step 4: Simplify right side
    21,747,808.98x = 414,084,440,366,856.81
  5. Step 5: Solve for x
    x = 414,084,440,366,856.81/21,747,808.98
  6. Step 6: Final answer
    x = 19,040,283.13

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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.