Home / 7,487,999.20-11,231,998.80-4,302,949.60

Finding the Fourth Proportional to 7,487,999.20, 11,231,998.80 and 4,302,949.60

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Solution

The fourth proportional to 7,487,999.20, 11,231,998.80 and 4,302,949.60 is: 6,454,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,999.20 : 11,231,998.80 = 4,302,949.60 : x
  2. Step 2: Convert to fraction form
    7,487,999.20/11,231,998.80 = 4,302,949.60/x
  3. Step 3: Cross multiply
    7,487,999.20x = 11,231,998.80 × 4,302,949.60
  4. Step 4: Simplify right side
    7,487,999.20x = 48,330,724,743,660.48
  5. Step 5: Solve for x
    x = 48,330,724,743,660.48/7,487,999.20
  6. Step 6: Final answer
    x = 6,454,424.40

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1.5x scale

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.