Home / 8,907,456.80-13,361,185.20-7,631,998.40

Finding the Fourth Proportional to 8,907,456.80, 13,361,185.20 and 7,631,998.40

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Solution

The fourth proportional to 8,907,456.80, 13,361,185.20 and 7,631,998.40 is: 11,447,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,456.80 : 13,361,185.20 = 7,631,998.40 : x
  2. Step 2: Convert to fraction form
    8,907,456.80/13,361,185.20 = 7,631,998.40/x
  3. Step 3: Cross multiply
    8,907,456.80x = 13,361,185.20 × 7,631,998.40
  4. Step 4: Simplify right side
    8,907,456.80x = 101,972,544,068,503.67
  5. Step 5: Solve for x
    x = 101,972,544,068,503.67/8,907,456.80
  6. Step 6: Final answer
    x = 11,447,997.60

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Double scale
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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.