Home / 7,338,983.20-11,008,474.80-3,082,206.40

Finding the Fourth Proportional to 7,338,983.20, 11,008,474.80 and 3,082,206.40

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Solution

The fourth proportional to 7,338,983.20, 11,008,474.80 and 3,082,206.40 is: 4,623,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,983.20 : 11,008,474.80 = 3,082,206.40 : x
  2. Step 2: Convert to fraction form
    7,338,983.20/11,008,474.80 = 3,082,206.40/x
  3. Step 3: Cross multiply
    7,338,983.20x = 11,008,474.80 × 3,082,206.40
  4. Step 4: Simplify right side
    7,338,983.20x = 33,930,391,482,798.72
  5. Step 5: Solve for x
    x = 33,930,391,482,798.72/7,338,983.20
  6. Step 6: Final answer
    x = 4,623,309.60

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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.