Home / 28,906,774.79-39,887,672.07-16,517,669.48

Finding the Fourth Proportional to 28,906,774.79, 39,887,672.07 and 16,517,669.48

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Solution

The fourth proportional to 28,906,774.79, 39,887,672.07 and 16,517,669.48 is: 22,792,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906,774.79 : 39,887,672.07 = 16,517,669.48 : x
  2. Step 2: Convert to fraction form
    28,906,774.79/39,887,672.07 = 16,517,669.48/x
  3. Step 3: Cross multiply
    28,906,774.79x = 39,887,672.07 × 16,517,669.48
  4. Step 4: Simplify right side
    28,906,774.79x = 658,851,383,578,887.50
  5. Step 5: Solve for x
    x = 658,851,383,578,887.50/28,906,774.79
  6. Step 6: Final answer
    x = 22,792,282.72

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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.