Home / 21,895,517.93-30,214,594.73-12,105,390.56

Finding the Fourth Proportional to 21,895,517.93, 30,214,594.73 and 12,105,390.56

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Solution

The fourth proportional to 21,895,517.93, 30,214,594.73 and 12,105,390.56 is: 16,704,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895,517.93 : 30,214,594.73 = 12,105,390.56 : x
  2. Step 2: Convert to fraction form
    21,895,517.93/30,214,594.73 = 12,105,390.56/x
  3. Step 3: Cross multiply
    21,895,517.93x = 30,214,594.73 × 12,105,390.56
  4. Step 4: Simplify right side
    21,895,517.93x = 365,759,469,607,167.81
  5. Step 5: Solve for x
    x = 365,759,469,607,167.81/21,895,517.93
  6. Step 6: Final answer
    x = 16,704,764.46

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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.