Home / 10,881,016.80-16,321,525.20-9,705,285.60

Finding the Fourth Proportional to 10,881,016.80, 16,321,525.20 and 9,705,285.60

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Solution

The fourth proportional to 10,881,016.80, 16,321,525.20 and 9,705,285.60 is: 14,557,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,016.80 : 16,321,525.20 = 9,705,285.60 : x
  2. Step 2: Convert to fraction form
    10,881,016.80/16,321,525.20 = 9,705,285.60/x
  3. Step 3: Cross multiply
    10,881,016.80x = 16,321,525.20 × 9,705,285.60
  4. Step 4: Simplify right side
    10,881,016.80x = 158,405,063,493,597.09
  5. Step 5: Solve for x
    x = 158,405,063,493,597.09/10,881,016.80
  6. Step 6: Final answer
    x = 14,557,928.40

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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.