Home / 31,504,928.80-47,257,393.20-7,570,400.80

Finding the Fourth Proportional to 31,504,928.80, 47,257,393.20 and 7,570,400.80

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Solution

The fourth proportional to 31,504,928.80, 47,257,393.20 and 7,570,400.80 is: 11,355,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,928.80 : 47,257,393.20 = 7,570,400.80 : x
  2. Step 2: Convert to fraction form
    31,504,928.80/47,257,393.20 = 7,570,400.80/x
  3. Step 3: Cross multiply
    31,504,928.80x = 47,257,393.20 × 7,570,400.80
  4. Step 4: Simplify right side
    31,504,928.80x = 357,757,407,287,194.56
  5. Step 5: Solve for x
    x = 357,757,407,287,194.56/31,504,928.80
  6. Step 6: Final answer
    x = 11,355,601.20

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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.