Home / 7,166,394.80-9,890,601.05-4,227,042.20

Finding the Fourth Proportional to 7,166,394.80, 9,890,601.05 and 4,227,042.20

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Solution

The fourth proportional to 7,166,394.80, 9,890,601.05 and 4,227,042.20 is: 5,833,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,394.80 : 9,890,601.05 = 4,227,042.20 : x
  2. Step 2: Convert to fraction form
    7,166,394.80/9,890,601.05 = 4,227,042.20/x
  3. Step 3: Cross multiply
    7,166,394.80x = 9,890,601.05 × 4,227,042.20
  4. Step 4: Simplify right side
    7,166,394.80x = 41,807,987,951,126.09
  5. Step 5: Solve for x
    x = 41,807,987,951,126.09/7,166,394.80
  6. Step 6: Final answer
    x = 5,833,894.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.