Home / 7,623,975.52-10,521,086.28-4,186,216.54

Finding the Fourth Proportional to 7,623,975.52, 10,521,086.28 and 4,186,216.54

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Solution

The fourth proportional to 7,623,975.52, 10,521,086.28 and 4,186,216.54 is: 5,776,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,975.52 : 10,521,086.28 = 4,186,216.54 : x
  2. Step 2: Convert to fraction form
    7,623,975.52/10,521,086.28 = 4,186,216.54/x
  3. Step 3: Cross multiply
    7,623,975.52x = 10,521,086.28 × 4,186,216.54
  4. Step 4: Simplify right side
    7,623,975.52x = 44,043,545,404,103.07
  5. Step 5: Solve for x
    x = 44,043,545,404,103.07/7,623,975.52
  6. Step 6: Final answer
    x = 5,776,978.86

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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.