Home / 22,945,051.86-31,666,022.37-13,156,406.76

Finding the Fourth Proportional to 22,945,051.86, 31,666,022.37 and 13,156,406.76

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Solution

The fourth proportional to 22,945,051.86, 31,666,022.37 and 13,156,406.76 is: 18,156,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945,051.86 : 31,666,022.37 = 13,156,406.76 : x
  2. Step 2: Convert to fraction form
    22,945,051.86/31,666,022.37 = 13,156,406.76/x
  3. Step 3: Cross multiply
    22,945,051.86x = 31,666,022.37 × 13,156,406.76
  4. Step 4: Simplify right side
    22,945,051.86x = 416,611,070,770,979.25
  5. Step 5: Solve for x
    x = 416,611,070,770,979.25/22,945,051.86
  6. Step 6: Final answer
    x = 18,156,902.56

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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.