Home / 7,219,296.72-9,958,902.72-4,895,403.28

Finding the Fourth Proportional to 7,219,296.72, 9,958,902.72 and 4,895,403.28

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Solution

The fourth proportional to 7,219,296.72, 9,958,902.72 and 4,895,403.28 is: 6,753,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,296.72 : 9,958,902.72 = 4,895,403.28 : x
  2. Step 2: Convert to fraction form
    7,219,296.72/9,958,902.72 = 4,895,403.28/x
  3. Step 3: Cross multiply
    7,219,296.72x = 9,958,902.72 × 4,895,403.28
  4. Step 4: Simplify right side
    7,219,296.72x = 48,752,844,997,433.91
  5. Step 5: Solve for x
    x = 48,752,844,997,433.91/7,219,296.72
  6. Step 6: Final answer
    x = 6,753,129.41

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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.