Home / 13,958,495.80-20,922,191.70-5,435,999.80

Finding the Fourth Proportional to 13,958,495.80, 20,922,191.70 and 5,435,999.80

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Solution

The fourth proportional to 13,958,495.80, 20,922,191.70 and 5,435,999.80 is: 8,147,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958,495.80 : 20,922,191.70 = 5,435,999.80 : x
  2. Step 2: Convert to fraction form
    13,958,495.80/20,922,191.70 = 5,435,999.80/x
  3. Step 3: Cross multiply
    13,958,495.80x = 20,922,191.70 × 5,435,999.80
  4. Step 4: Simplify right side
    13,958,495.80x = 113,733,029,896,761.66
  5. Step 5: Solve for x
    x = 113,733,029,896,761.66/13,958,495.80
  6. Step 6: Final answer
    x = 8,147,943.13

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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.