Home / 12,884,857-17,780,649.60-7,083,596.50

Finding the Fourth Proportional to 12,884,857, 17,780,649.60 and 7,083,596.50

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Solution

The fourth proportional to 12,884,857, 17,780,649.60 and 7,083,596.50 is: 9,775,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,857 : 17,780,649.60 = 7,083,596.50 : x
  2. Step 2: Convert to fraction form
    12,884,857/17,780,649.60 = 7,083,596.50/x
  3. Step 3: Cross multiply
    12,884,857x = 17,780,649.60 × 7,083,596.50
  4. Step 4: Simplify right side
    12,884,857x = 125,950,947,274,286.41
  5. Step 5: Solve for x
    x = 125,950,947,274,286.41/12,884,857
  6. Step 6: Final answer
    x = 9,775,114.10

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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.