Home / 19,216,759.54-28,825,662.03-6,434,881.78

Finding the Fourth Proportional to 19,216,759.54, 28,825,662.03 and 6,434,881.78

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Solution

The fourth proportional to 19,216,759.54, 28,825,662.03 and 6,434,881.78 is: 9,652,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216,759.54 : 28,825,662.03 = 6,434,881.78 : x
  2. Step 2: Convert to fraction form
    19,216,759.54/28,825,662.03 = 6,434,881.78/x
  3. Step 3: Cross multiply
    19,216,759.54x = 28,825,662.03 × 6,434,881.78
  4. Step 4: Simplify right side
    19,216,759.54x = 185,489,727,393,284.84
  5. Step 5: Solve for x
    x = 185,489,727,393,284.84/19,216,759.54
  6. Step 6: Final answer
    x = 9,652,497.71

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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.