Home / 7,219,555.44-9,962,998.20-3,955,851.60

Finding the Fourth Proportional to 7,219,555.44, 9,962,998.20 and 3,955,851.60

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Solution

The fourth proportional to 7,219,555.44, 9,962,998.20 and 3,955,851.60 is: 5,459,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,555.44 : 9,962,998.20 = 3,955,851.60 : x
  2. Step 2: Convert to fraction form
    7,219,555.44/9,962,998.20 = 3,955,851.60/x
  3. Step 3: Cross multiply
    7,219,555.44x = 9,962,998.20 × 3,955,851.60
  4. Step 4: Simplify right side
    7,219,555.44x = 39,412,142,370,267.12
  5. Step 5: Solve for x
    x = 39,412,142,370,267.12/7,219,555.44
  6. Step 6: Final answer
    x = 5,459,081.61

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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.