Home / 21,747,321.86-32,599,435.48-10,212,140

Finding the Fourth Proportional to 21,747,321.86, 32,599,435.48 and 10,212,140

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Solution

The fourth proportional to 21,747,321.86, 32,599,435.48 and 10,212,140 is: 15,308,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747,321.86 : 32,599,435.48 = 10,212,140 : x
  2. Step 2: Convert to fraction form
    21,747,321.86/32,599,435.48 = 10,212,140/x
  3. Step 3: Cross multiply
    21,747,321.86x = 32,599,435.48 × 10,212,140
  4. Step 4: Simplify right side
    21,747,321.86x = 332,909,999,042,727.19
  5. Step 5: Solve for x
    x = 332,909,999,042,727.19/21,747,321.86
  6. Step 6: Final answer
    x = 15,308,091.79

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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.