Home / 28,664,083.89-39,555,845.25-15,611,572.17

Finding the Fourth Proportional to 28,664,083.89, 39,555,845.25 and 15,611,572.17

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Solution

The fourth proportional to 28,664,083.89, 39,555,845.25 and 15,611,572.17 is: 21,543,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664,083.89 : 39,555,845.25 = 15,611,572.17 : x
  2. Step 2: Convert to fraction form
    28,664,083.89/39,555,845.25 = 15,611,572.17/x
  3. Step 3: Cross multiply
    28,664,083.89x = 39,555,845.25 × 15,611,572.17
  4. Step 4: Simplify right side
    28,664,083.89x = 617,528,932,865,726.75
  5. Step 5: Solve for x
    x = 617,528,932,865,726.75/28,664,083.89
  6. Step 6: Final answer
    x = 21,543,647.98

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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.