Home / 8,752,474.80-12,079,474.37-4,981,453.78

Finding the Fourth Proportional to 8,752,474.80, 12,079,474.37 and 4,981,453.78

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Solution

The fourth proportional to 8,752,474.80, 12,079,474.37 and 4,981,453.78 is: 6,875,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752,474.80 : 12,079,474.37 = 4,981,453.78 : x
  2. Step 2: Convert to fraction form
    8,752,474.80/12,079,474.37 = 4,981,453.78/x
  3. Step 3: Cross multiply
    8,752,474.80x = 12,079,474.37 × 4,981,453.78
  4. Step 4: Simplify right side
    8,752,474.80x = 60,173,343,219,914.38
  5. Step 5: Solve for x
    x = 60,173,343,219,914.38/8,752,474.80
  6. Step 6: Final answer
    x = 6,875,009.02

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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.