Home / 25,857,376.08-38,780,618.40-7,661,725.44

Finding the Fourth Proportional to 25,857,376.08, 38,780,618.40 and 7,661,725.44

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Solution

The fourth proportional to 25,857,376.08, 38,780,618.40 and 7,661,725.44 is: 11,490,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857,376.08 : 38,780,618.40 = 7,661,725.44 : x
  2. Step 2: Convert to fraction form
    25,857,376.08/38,780,618.40 = 7,661,725.44/x
  3. Step 3: Cross multiply
    25,857,376.08x = 38,780,618.40 × 7,661,725.44
  4. Step 4: Simplify right side
    25,857,376.08x = 297,126,450,574,212.12
  5. Step 5: Solve for x
    x = 297,126,450,574,212.12/25,857,376.08
  6. Step 6: Final answer
    x = 11,490,974.55

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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.