Home / 7,784,789.16-11,679,314.28-3,744,656.58

Finding the Fourth Proportional to 7,784,789.16, 11,679,314.28 and 3,744,656.58

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Solution

The fourth proportional to 7,784,789.16, 11,679,314.28 and 3,744,656.58 is: 5,618,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784,789.16 : 11,679,314.28 = 3,744,656.58 : x
  2. Step 2: Convert to fraction form
    7,784,789.16/11,679,314.28 = 3,744,656.58/x
  3. Step 3: Cross multiply
    7,784,789.16x = 11,679,314.28 × 3,744,656.58
  4. Step 4: Simplify right side
    7,784,789.16x = 43,735,021,068,489.96
  5. Step 5: Solve for x
    x = 43,735,021,068,489.96/7,784,789.16
  6. Step 6: Final answer
    x = 5,618,009.71

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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.