Home / 7,115,857.70-9,819,889.40-3,852,674.69

Finding the Fourth Proportional to 7,115,857.70, 9,819,889.40 and 3,852,674.69

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Solution

The fourth proportional to 7,115,857.70, 9,819,889.40 and 3,852,674.69 is: 5,316,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,857.70 : 9,819,889.40 = 3,852,674.69 : x
  2. Step 2: Convert to fraction form
    7,115,857.70/9,819,889.40 = 3,852,674.69/x
  3. Step 3: Cross multiply
    7,115,857.70x = 9,819,889.40 × 3,852,674.69
  4. Step 4: Simplify right side
    7,115,857.70x = 37,832,839,310,511.52
  5. Step 5: Solve for x
    x = 37,832,839,310,511.52/7,115,857.70
  6. Step 6: Final answer
    x = 5,316,694.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.