Home / 7,836,696-11,759,579.16-3,287,337.36

Finding the Fourth Proportional to 7,836,696, 11,759,579.16 and 3,287,337.36

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Solution

The fourth proportional to 7,836,696, 11,759,579.16 and 3,287,337.36 is: 4,932,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,696 : 11,759,579.16 = 3,287,337.36 : x
  2. Step 2: Convert to fraction form
    7,836,696/11,759,579.16 = 3,287,337.36/x
  3. Step 3: Cross multiply
    7,836,696x = 11,759,579.16 × 3,287,337.36
  4. Step 4: Simplify right side
    7,836,696x = 38,657,703,910,545.41
  5. Step 5: Solve for x
    x = 38,657,703,910,545.41/7,836,696
  6. Step 6: Final answer
    x = 4,932,908.45

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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.