Home / 9,152,605.80-13,728,908.70-7,451,994.60

Finding the Fourth Proportional to 9,152,605.80, 13,728,908.70 and 7,451,994.60

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Solution

The fourth proportional to 9,152,605.80, 13,728,908.70 and 7,451,994.60 is: 11,177,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152,605.80 : 13,728,908.70 = 7,451,994.60 : x
  2. Step 2: Convert to fraction form
    9,152,605.80/13,728,908.70 = 7,451,994.60/x
  3. Step 3: Cross multiply
    9,152,605.80x = 13,728,908.70 × 7,451,994.60
  4. Step 4: Simplify right side
    9,152,605.80x = 102,307,753,496,293.02
  5. Step 5: Solve for x
    x = 102,307,753,496,293.02/9,152,605.80
  6. Step 6: Final answer
    x = 11,177,991.90

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Similar ratio
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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.