Home / 10,223,891.28-14,109,015.72-5,577,662.22

Finding the Fourth Proportional to 10,223,891.28, 14,109,015.72 and 5,577,662.22

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Solution

The fourth proportional to 10,223,891.28, 14,109,015.72 and 5,577,662.22 is: 7,697,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,891.28 : 14,109,015.72 = 5,577,662.22 : x
  2. Step 2: Convert to fraction form
    10,223,891.28/14,109,015.72 = 5,577,662.22/x
  3. Step 3: Cross multiply
    10,223,891.28x = 14,109,015.72 × 5,577,662.22
  4. Step 4: Simplify right side
    10,223,891.28x = 78,695,323,942,830.09
  5. Step 5: Solve for x
    x = 78,695,323,942,830.09/10,223,891.28
  6. Step 6: Final answer
    x = 7,697,198.82

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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.