Home / 7,250,857.28-10,868,820.96-3,884,160.32

Finding the Fourth Proportional to 7,250,857.28, 10,868,820.96 and 3,884,160.32

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Solution

The fourth proportional to 7,250,857.28, 10,868,820.96 and 3,884,160.32 is: 5,822,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,857.28 : 10,868,820.96 = 3,884,160.32 : x
  2. Step 2: Convert to fraction form
    7,250,857.28/10,868,820.96 = 3,884,160.32/x
  3. Step 3: Cross multiply
    7,250,857.28x = 10,868,820.96 × 3,884,160.32
  4. Step 4: Simplify right side
    7,250,857.28x = 42,216,243,098,016.31
  5. Step 5: Solve for x
    x = 42,216,243,098,016.31/7,250,857.28
  6. Step 6: Final answer
    x = 5,822,241.63

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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.