Home / 7,168,263.80-9,892,204.14-3,948,999.80

Finding the Fourth Proportional to 7,168,263.80, 9,892,204.14 and 3,948,999.80

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Solution

The fourth proportional to 7,168,263.80, 9,892,204.14 and 3,948,999.80 is: 5,449,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,263.80 : 9,892,204.14 = 3,948,999.80 : x
  2. Step 2: Convert to fraction form
    7,168,263.80/9,892,204.14 = 3,948,999.80/x
  3. Step 3: Cross multiply
    7,168,263.80x = 9,892,204.14 × 3,948,999.80
  4. Step 4: Simplify right side
    7,168,263.80x = 39,064,312,170,419.17
  5. Step 5: Solve for x
    x = 39,064,312,170,419.17/7,168,263.80
  6. Step 6: Final answer
    x = 5,449,619.78

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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.