Home / 7,340,121.45-10,125,282.29-6,820,533.99

Finding the Fourth Proportional to 7,340,121.45, 10,125,282.29 and 6,820,533.99

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Solution

The fourth proportional to 7,340,121.45, 10,125,282.29 and 6,820,533.99 is: 9,408,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,121.45 : 10,125,282.29 = 6,820,533.99 : x
  2. Step 2: Convert to fraction form
    7,340,121.45/10,125,282.29 = 6,820,533.99/x
  3. Step 3: Cross multiply
    7,340,121.45x = 10,125,282.29 × 6,820,533.99
  4. Step 4: Simplify right side
    7,340,121.45x = 69,059,831,983,187.37
  5. Step 5: Solve for x
    x = 69,059,831,983,187.37/7,340,121.45
  6. Step 6: Final answer
    x = 9,408,540.78

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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.