Home / 25,467,970.50-38,177,940.87-12,676,382.46

Finding the Fourth Proportional to 25,467,970.50, 38,177,940.87 and 12,676,382.46

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Solution

The fourth proportional to 25,467,970.50, 38,177,940.87 and 12,676,382.46 is: 19,002,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,467,970.50 : 38,177,940.87 = 12,676,382.46 : x
  2. Step 2: Convert to fraction form
    25,467,970.50/38,177,940.87 = 12,676,382.46/x
  3. Step 3: Cross multiply
    25,467,970.50x = 38,177,940.87 × 12,676,382.46
  4. Step 4: Simplify right side
    25,467,970.50x = 483,958,180,003,385.12
  5. Step 5: Solve for x
    x = 483,958,180,003,385.12/25,467,970.50
  6. Step 6: Final answer
    x = 19,002,620.57

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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.