Home / 40,099,322.36-55,337,171.28-21,764,607.86

Finding the Fourth Proportional to 40,099,322.36, 55,337,171.28 and 21,764,607.86

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Solution

The fourth proportional to 40,099,322.36, 55,337,171.28 and 21,764,607.86 is: 30,035,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,322.36 : 55,337,171.28 = 21,764,607.86 : x
  2. Step 2: Convert to fraction form
    40,099,322.36/55,337,171.28 = 21,764,607.86/x
  3. Step 3: Cross multiply
    40,099,322.36x = 55,337,171.28 × 21,764,607.86
  4. Step 4: Simplify right side
    40,099,322.36x = 1,204,391,832,990,854.25
  5. Step 5: Solve for x
    x = 1,204,391,832,990,854.25/40,099,322.36
  6. Step 6: Final answer
    x = 30,035,216.61

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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.