Home / 7,442,906.40-11,174,857.20-4,608,554.40

Finding the Fourth Proportional to 7,442,906.40, 11,174,857.20 and 4,608,554.40

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Solution

The fourth proportional to 7,442,906.40, 11,174,857.20 and 4,608,554.40 is: 6,919,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,906.40 : 11,174,857.20 = 4,608,554.40 : x
  2. Step 2: Convert to fraction form
    7,442,906.40/11,174,857.20 = 4,608,554.40/x
  3. Step 3: Cross multiply
    7,442,906.40x = 11,174,857.20 × 4,608,554.40
  4. Step 4: Simplify right side
    7,442,906.40x = 51,499,937,318,431.68
  5. Step 5: Solve for x
    x = 51,499,937,318,431.68/7,442,906.40
  6. Step 6: Final answer
    x = 6,919,331.58

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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.