Home / 10,921,216.70-16,381,825.05-2,943,040.70

Finding the Fourth Proportional to 10,921,216.70, 16,381,825.05 and 2,943,040.70

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Solution

The fourth proportional to 10,921,216.70, 16,381,825.05 and 2,943,040.70 is: 4,414,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,216.70 : 16,381,825.05 = 2,943,040.70 : x
  2. Step 2: Convert to fraction form
    10,921,216.70/16,381,825.05 = 2,943,040.70/x
  3. Step 3: Cross multiply
    10,921,216.70x = 16,381,825.05 × 2,943,040.70
  4. Step 4: Simplify right side
    10,921,216.70x = 48,212,377,862,429.54
  5. Step 5: Solve for x
    x = 48,212,377,862,429.54/10,921,216.70
  6. Step 6: Final answer
    x = 4,414,561.05

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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.