Home / 21,717,428.48-29,962,759.40-12,296,934.48

Finding the Fourth Proportional to 21,717,428.48, 29,962,759.40 and 12,296,934.48

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Solution

The fourth proportional to 21,717,428.48, 29,962,759.40 and 12,296,934.48 is: 16,965,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717,428.48 : 29,962,759.40 = 12,296,934.48 : x
  2. Step 2: Convert to fraction form
    21,717,428.48/29,962,759.40 = 12,296,934.48/x
  3. Step 3: Cross multiply
    21,717,428.48x = 29,962,759.40 × 12,296,934.48
  4. Step 4: Simplify right side
    21,717,428.48x = 368,450,089,181,804.12
  5. Step 5: Solve for x
    x = 368,450,089,181,804.12/21,717,428.48
  6. Step 6: Final answer
    x = 16,965,640.73

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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.