Home / 11,005,986.40-16,508,979.60-7,179,611.20

Finding the Fourth Proportional to 11,005,986.40, 16,508,979.60 and 7,179,611.20

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Solution

The fourth proportional to 11,005,986.40, 16,508,979.60 and 7,179,611.20 is: 10,769,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,986.40 : 16,508,979.60 = 7,179,611.20 : x
  2. Step 2: Convert to fraction form
    11,005,986.40/16,508,979.60 = 7,179,611.20/x
  3. Step 3: Cross multiply
    11,005,986.40x = 16,508,979.60 × 7,179,611.20
  4. Step 4: Simplify right side
    11,005,986.40x = 118,528,054,836,731.52
  5. Step 5: Solve for x
    x = 118,528,054,836,731.52/11,005,986.40
  6. Step 6: Final answer
    x = 10,769,416.80

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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.