Home / 7,565,905.70-11,348,858.55-6,981,320.60

Finding the Fourth Proportional to 7,565,905.70, 11,348,858.55 and 6,981,320.60

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Solution

The fourth proportional to 7,565,905.70, 11,348,858.55 and 6,981,320.60 is: 10,471,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565,905.70 : 11,348,858.55 = 6,981,320.60 : x
  2. Step 2: Convert to fraction form
    7,565,905.70/11,348,858.55 = 6,981,320.60/x
  3. Step 3: Cross multiply
    7,565,905.70x = 11,348,858.55 × 6,981,320.60
  4. Step 4: Simplify right side
    7,565,905.70x = 79,230,019,981,601.12
  5. Step 5: Solve for x
    x = 79,230,019,981,601.12/7,565,905.70
  6. Step 6: Final answer
    x = 10,471,980.90

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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.