Home / 6,290,241.88-9,421,532.44-5,198,379.74

Finding the Fourth Proportional to 6,290,241.88, 9,421,532.44 and 5,198,379.74

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Solution

The fourth proportional to 6,290,241.88, 9,421,532.44 and 5,198,379.74 is: 7,786,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290,241.88 : 9,421,532.44 = 5,198,379.74 : x
  2. Step 2: Convert to fraction form
    6,290,241.88/9,421,532.44 = 5,198,379.74/x
  3. Step 3: Cross multiply
    6,290,241.88x = 9,421,532.44 × 5,198,379.74
  4. Step 4: Simplify right side
    6,290,241.88x = 48,976,703,358,945.42
  5. Step 5: Solve for x
    x = 48,976,703,358,945.42/6,290,241.88
  6. Step 6: Final answer
    x = 7,786,139.91

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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.