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Finding the Fourth Proportional to 6,611,733.79, 9,913,073.07 and 3,366,990.56

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Solution

The fourth proportional to 6,611,733.79, 9,913,073.07 and 3,366,990.56 is: 5,048,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,733.79 : 9,913,073.07 = 3,366,990.56 : x
  2. Step 2: Convert to fraction form
    6,611,733.79/9,913,073.07 = 3,366,990.56/x
  3. Step 3: Cross multiply
    6,611,733.79x = 9,913,073.07 × 3,366,990.56
  4. Step 4: Simplify right side
    6,611,733.79x = 33,377,223,437,869.28
  5. Step 5: Solve for x
    x = 33,377,223,437,869.28/6,611,733.79
  6. Step 6: Final answer
    x = 5,048,180.17

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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.