Home / 7,338,840.30-11,008,260.45-5,425,652.70

Finding the Fourth Proportional to 7,338,840.30, 11,008,260.45 and 5,425,652.70

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Solution

The fourth proportional to 7,338,840.30, 11,008,260.45 and 5,425,652.70 is: 8,138,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,840.30 : 11,008,260.45 = 5,425,652.70 : x
  2. Step 2: Convert to fraction form
    7,338,840.30/11,008,260.45 = 5,425,652.70/x
  3. Step 3: Cross multiply
    7,338,840.30x = 11,008,260.45 × 5,425,652.70
  4. Step 4: Simplify right side
    7,338,840.30x = 59,726,998,032,845.71
  5. Step 5: Solve for x
    x = 59,726,998,032,845.71/7,338,840.30
  6. Step 6: Final answer
    x = 8,138,479.05

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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.