Home / 20,818,604.44-31,234,881.82-7,181,164.12

Finding the Fourth Proportional to 20,818,604.44, 31,234,881.82 and 7,181,164.12

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Solution

The fourth proportional to 20,818,604.44, 31,234,881.82 and 7,181,164.12 is: 10,774,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818,604.44 : 31,234,881.82 = 7,181,164.12 : x
  2. Step 2: Convert to fraction form
    20,818,604.44/31,234,881.82 = 7,181,164.12/x
  3. Step 3: Cross multiply
    20,818,604.44x = 31,234,881.82 × 7,181,164.12
  4. Step 4: Simplify right side
    20,818,604.44x = 224,302,812,618,224.31
  5. Step 5: Solve for x
    x = 224,302,812,618,224.31/20,818,604.44
  6. Step 6: Final answer
    x = 10,774,152.19

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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.