Home / 7,887,740.80-11,831,611.20-3,636,212.80

Finding the Fourth Proportional to 7,887,740.80, 11,831,611.20 and 3,636,212.80

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Solution

The fourth proportional to 7,887,740.80, 11,831,611.20 and 3,636,212.80 is: 5,454,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,740.80 : 11,831,611.20 = 3,636,212.80 : x
  2. Step 2: Convert to fraction form
    7,887,740.80/11,831,611.20 = 3,636,212.80/x
  3. Step 3: Cross multiply
    7,887,740.80x = 11,831,611.20 × 3,636,212.80
  4. Step 4: Simplify right side
    7,887,740.80x = 43,022,256,090,063.35
  5. Step 5: Solve for x
    x = 43,022,256,090,063.35/7,887,740.80
  6. Step 6: Final answer
    x = 5,454,319.20

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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.