Home / 21,040,219.14-31,562,125.65-7,392,179.94

Finding the Fourth Proportional to 21,040,219.14, 31,562,125.65 and 7,392,179.94

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Solution

The fourth proportional to 21,040,219.14, 31,562,125.65 and 7,392,179.94 is: 11,088,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040,219.14 : 31,562,125.65 = 7,392,179.94 : x
  2. Step 2: Convert to fraction form
    21,040,219.14/31,562,125.65 = 7,392,179.94/x
  3. Step 3: Cross multiply
    21,040,219.14x = 31,562,125.65 × 7,392,179.94
  4. Step 4: Simplify right side
    21,040,219.14x = 233,312,912,093,689.47
  5. Step 5: Solve for x
    x = 233,312,912,093,689.47/21,040,219.14
  6. Step 6: Final answer
    x = 11,088,901.24

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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.