Home / 7,881,568.59-11,822,852.36-3,331,769.43

Finding the Fourth Proportional to 7,881,568.59, 11,822,852.36 and 3,331,769.43

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Solution

The fourth proportional to 7,881,568.59, 11,822,852.36 and 3,331,769.43 is: 4,997,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,568.59 : 11,822,852.36 = 3,331,769.43 : x
  2. Step 2: Convert to fraction form
    7,881,568.59/11,822,852.36 = 3,331,769.43/x
  3. Step 3: Cross multiply
    7,881,568.59x = 11,822,852.36 × 3,331,769.43
  4. Step 4: Simplify right side
    7,881,568.59x = 39,391,018,068,451.35
  5. Step 5: Solve for x
    x = 39,391,018,068,451.35/7,881,568.59
  6. Step 6: Final answer
    x = 4,997,865.29

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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.