Home / 7,161,037.26-9,882,492.21-3,897,694.28

Finding the Fourth Proportional to 7,161,037.26, 9,882,492.21 and 3,897,694.28

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Solution

The fourth proportional to 7,161,037.26, 9,882,492.21 and 3,897,694.28 is: 5,378,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,037.26 : 9,882,492.21 = 3,897,694.28 : x
  2. Step 2: Convert to fraction form
    7,161,037.26/9,882,492.21 = 3,897,694.28/x
  3. Step 3: Cross multiply
    7,161,037.26x = 9,882,492.21 × 3,897,694.28
  4. Step 4: Simplify right side
    7,161,037.26x = 38,518,933,309,649.10
  5. Step 5: Solve for x
    x = 38,518,933,309,649.10/7,161,037.26
  6. Step 6: Final answer
    x = 5,378,960.05

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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.