Home / 7,111,255.45-9,813,558.53-3,848,070.20

Finding the Fourth Proportional to 7,111,255.45, 9,813,558.53 and 3,848,070.20

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Solution

The fourth proportional to 7,111,255.45, 9,813,558.53 and 3,848,070.20 is: 5,310,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,255.45 : 9,813,558.53 = 3,848,070.20 : x
  2. Step 2: Convert to fraction form
    7,111,255.45/9,813,558.53 = 3,848,070.20/x
  3. Step 3: Cross multiply
    7,111,255.45x = 9,813,558.53 × 3,848,070.20
  4. Step 4: Simplify right side
    7,111,255.45x = 37,763,262,135,248.80
  5. Step 5: Solve for x
    x = 37,763,262,135,248.80/7,111,255.45
  6. Step 6: Final answer
    x = 5,310,350.95

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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.