Home / 7,895,624.40-11,843,436.60-1,911,992.40

Finding the Fourth Proportional to 7,895,624.40, 11,843,436.60 and 1,911,992.40

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Solution

The fourth proportional to 7,895,624.40, 11,843,436.60 and 1,911,992.40 is: 2,867,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895,624.40 : 11,843,436.60 = 1,911,992.40 : x
  2. Step 2: Convert to fraction form
    7,895,624.40/11,843,436.60 = 1,911,992.40/x
  3. Step 3: Cross multiply
    7,895,624.40x = 11,843,436.60 × 1,911,992.40
  4. Step 4: Simplify right side
    7,895,624.40x = 22,644,560,769,081.84
  5. Step 5: Solve for x
    x = 22,644,560,769,081.84/7,895,624.40
  6. Step 6: Final answer
    x = 2,867,988.60

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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.