Home / 10,656,999.60-15,987,832.20-5,268,231.60

Finding the Fourth Proportional to 10,656,999.60, 15,987,832.20 and 5,268,231.60

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Solution

The fourth proportional to 10,656,999.60, 15,987,832.20 and 5,268,231.60 is: 7,903,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,999.60 : 15,987,832.20 = 5,268,231.60 : x
  2. Step 2: Convert to fraction form
    10,656,999.60/15,987,832.20 = 5,268,231.60/x
  3. Step 3: Cross multiply
    10,656,999.60x = 15,987,832.20 × 5,268,231.60
  4. Step 4: Simplify right side
    10,656,999.60x = 84,227,602,811,537.52
  5. Step 5: Solve for x
    x = 84,227,602,811,537.52/10,656,999.60
  6. Step 6: Final answer
    x = 7,903,500.61

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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.