Home / 7,776,104.40-11,654,825.40-3,987,637.20

Finding the Fourth Proportional to 7,776,104.40, 11,654,825.40 and 3,987,637.20

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Solution

The fourth proportional to 7,776,104.40, 11,654,825.40 and 3,987,637.20 is: 5,976,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,104.40 : 11,654,825.40 = 3,987,637.20 : x
  2. Step 2: Convert to fraction form
    7,776,104.40/11,654,825.40 = 3,987,637.20/x
  3. Step 3: Cross multiply
    7,776,104.40x = 11,654,825.40 × 3,987,637.20
  4. Step 4: Simplify right side
    7,776,104.40x = 46,475,215,324,544.88
  5. Step 5: Solve for x
    x = 46,475,215,324,544.88/7,776,104.40
  6. Step 6: Final answer
    x = 5,976,670.70

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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.