Home / 7,793,999.40-11,690,999.10-5,243,082.60

Finding the Fourth Proportional to 7,793,999.40, 11,690,999.10 and 5,243,082.60

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Solution

The fourth proportional to 7,793,999.40, 11,690,999.10 and 5,243,082.60 is: 7,864,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793,999.40 : 11,690,999.10 = 5,243,082.60 : x
  2. Step 2: Convert to fraction form
    7,793,999.40/11,690,999.10 = 5,243,082.60/x
  3. Step 3: Cross multiply
    7,793,999.40x = 11,690,999.10 × 5,243,082.60
  4. Step 4: Simplify right side
    7,793,999.40x = 61,296,873,957,825.66
  5. Step 5: Solve for x
    x = 61,296,873,957,825.66/7,793,999.40
  6. Step 6: Final answer
    x = 7,864,623.90

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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.