Home / 7,809,919.56-11,723,160.78-6,917,157

Finding the Fourth Proportional to 7,809,919.56, 11,723,160.78 and 6,917,157

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Solution

The fourth proportional to 7,809,919.56, 11,723,160.78 and 6,917,157 is: 10,383,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809,919.56 : 11,723,160.78 = 6,917,157 : x
  2. Step 2: Convert to fraction form
    7,809,919.56/11,723,160.78 = 6,917,157/x
  3. Step 3: Cross multiply
    7,809,919.56x = 11,723,160.78 × 6,917,157
  4. Step 4: Simplify right side
    7,809,919.56x = 81,090,943,651,502.45
  5. Step 5: Solve for x
    x = 81,090,943,651,502.45/7,809,919.56
  6. Step 6: Final answer
    x = 10,383,070.28

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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.