Home / 21,293,774.25-31,927,868.11-8,324,478.11

Finding the Fourth Proportional to 21,293,774.25, 31,927,868.11 and 8,324,478.11

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Solution

The fourth proportional to 21,293,774.25, 31,927,868.11 and 8,324,478.11 is: 12,481,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,774.25 : 31,927,868.11 = 8,324,478.11 : x
  2. Step 2: Convert to fraction form
    21,293,774.25/31,927,868.11 = 8,324,478.11/x
  3. Step 3: Cross multiply
    21,293,774.25x = 31,927,868.11 × 8,324,478.11
  4. Step 4: Simplify right side
    21,293,774.25x = 265,782,839,181,090.19
  5. Step 5: Solve for x
    x = 265,782,839,181,090.19/21,293,774.25
  6. Step 6: Final answer
    x = 12,481,715.83

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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.