Home / 7,338,977.20-11,008,465.80-4,628,628.10

Finding the Fourth Proportional to 7,338,977.20, 11,008,465.80 and 4,628,628.10

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Solution

The fourth proportional to 7,338,977.20, 11,008,465.80 and 4,628,628.10 is: 6,942,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,977.20 : 11,008,465.80 = 4,628,628.10 : x
  2. Step 2: Convert to fraction form
    7,338,977.20/11,008,465.80 = 4,628,628.10/x
  3. Step 3: Cross multiply
    7,338,977.20x = 11,008,465.80 × 4,628,628.10
  4. Step 4: Simplify right side
    7,338,977.20x = 50,954,094,139,768.98
  5. Step 5: Solve for x
    x = 50,954,094,139,768.98/7,338,977.20
  6. Step 6: Final answer
    x = 6,942,942.15

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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.