Home / 21,040,220.14-31,562,127.15-7,392,180.94

Finding the Fourth Proportional to 21,040,220.14, 31,562,127.15 and 7,392,180.94

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Solution

The fourth proportional to 21,040,220.14, 31,562,127.15 and 7,392,180.94 is: 11,088,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040,220.14 : 31,562,127.15 = 7,392,180.94 : x
  2. Step 2: Convert to fraction form
    21,040,220.14/31,562,127.15 = 7,392,180.94/x
  3. Step 3: Cross multiply
    21,040,220.14x = 31,562,127.15 × 7,392,180.94
  4. Step 4: Simplify right side
    21,040,220.14x = 233,312,954,744,086.53
  5. Step 5: Solve for x
    x = 233,312,954,744,086.53/21,040,220.14
  6. Step 6: Final answer
    x = 11,088,902.74

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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.