Home / 21,026,553.89-31,539,620.63-6,649,624.13

Finding the Fourth Proportional to 21,026,553.89, 31,539,620.63 and 6,649,624.13

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Solution

The fourth proportional to 21,026,553.89, 31,539,620.63 and 6,649,624.13 is: 9,974,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,553.89 : 31,539,620.63 = 6,649,624.13 : x
  2. Step 2: Convert to fraction form
    21,026,553.89/31,539,620.63 = 6,649,624.13/x
  3. Step 3: Cross multiply
    21,026,553.89x = 31,539,620.63 × 6,649,624.13
  4. Step 4: Simplify right side
    21,026,553.89x = 209,726,622,251,219.75
  5. Step 5: Solve for x
    x = 209,726,622,251,219.75/21,026,553.89
  6. Step 6: Final answer
    x = 9,974,369.71

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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.