Home / 28,383,402.94-39,186,110.85-18,610,894.90

Finding the Fourth Proportional to 28,383,402.94, 39,186,110.85 and 18,610,894.90

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Solution

The fourth proportional to 28,383,402.94, 39,186,110.85 and 18,610,894.90 is: 25,694,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383,402.94 : 39,186,110.85 = 18,610,894.90 : x
  2. Step 2: Convert to fraction form
    28,383,402.94/39,186,110.85 = 18,610,894.90/x
  3. Step 3: Cross multiply
    28,383,402.94x = 39,186,110.85 × 18,610,894.90
  4. Step 4: Simplify right side
    28,383,402.94x = 729,288,590,569,099.62
  5. Step 5: Solve for x
    x = 729,288,590,569,099.62/28,383,402.94
  6. Step 6: Final answer
    x = 25,694,191.50

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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.