Home / 20,862,917.32-31,298,799.66-6,485,634.76

Finding the Fourth Proportional to 20,862,917.32, 31,298,799.66 and 6,485,634.76

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Solution

The fourth proportional to 20,862,917.32, 31,298,799.66 and 6,485,634.76 is: 9,729,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,917.32 : 31,298,799.66 = 6,485,634.76 : x
  2. Step 2: Convert to fraction form
    20,862,917.32/31,298,799.66 = 6,485,634.76/x
  3. Step 3: Cross multiply
    20,862,917.32x = 31,298,799.66 × 6,485,634.76
  4. Step 4: Simplify right side
    20,862,917.32x = 202,992,583,021,172.19
  5. Step 5: Solve for x
    x = 202,992,583,021,172.19/20,862,917.32
  6. Step 6: Final answer
    x = 9,729,827.33

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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.