Home / 8,557,917.20-11,808,180.36-5,071,719.32

Finding the Fourth Proportional to 8,557,917.20, 11,808,180.36 and 5,071,719.32

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Solution

The fourth proportional to 8,557,917.20, 11,808,180.36 and 5,071,719.32 is: 6,997,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,917.20 : 11,808,180.36 = 5,071,719.32 : x
  2. Step 2: Convert to fraction form
    8,557,917.20/11,808,180.36 = 5,071,719.32/x
  3. Step 3: Cross multiply
    8,557,917.20x = 11,808,180.36 × 5,071,719.32
  4. Step 4: Simplify right side
    8,557,917.20x = 59,887,776,465,856.55
  5. Step 5: Solve for x
    x = 59,887,776,465,856.55/8,557,917.20
  6. Step 6: Final answer
    x = 6,997,938.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.