Home / 28,405,849.45-39,200,842.08-17,392,389.61

Finding the Fourth Proportional to 28,405,849.45, 39,200,842.08 and 17,392,389.61

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Solution

The fourth proportional to 28,405,849.45, 39,200,842.08 and 17,392,389.61 is: 24,001,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,849.45 : 39,200,842.08 = 17,392,389.61 : x
  2. Step 2: Convert to fraction form
    28,405,849.45/39,200,842.08 = 17,392,389.61/x
  3. Step 3: Cross multiply
    28,405,849.45x = 39,200,842.08 × 17,392,389.61
  4. Step 4: Simplify right side
    28,405,849.45x = 681,796,318,495,442.75
  5. Step 5: Solve for x
    x = 681,796,318,495,442.75/28,405,849.45
  6. Step 6: Final answer
    x = 24,001,969.02

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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.