Home / 8,666,078.57-11,959,042.39-4,798,516.70

Finding the Fourth Proportional to 8,666,078.57, 11,959,042.39 and 4,798,516.70

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Solution

The fourth proportional to 8,666,078.57, 11,959,042.39 and 4,798,516.70 is: 6,621,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,078.57 : 11,959,042.39 = 4,798,516.70 : x
  2. Step 2: Convert to fraction form
    8,666,078.57/11,959,042.39 = 4,798,516.70/x
  3. Step 3: Cross multiply
    8,666,078.57x = 11,959,042.39 × 4,798,516.70
  4. Step 4: Simplify right side
    8,666,078.57x = 57,385,664,624,422.92
  5. Step 5: Solve for x
    x = 57,385,664,624,422.92/8,666,078.57
  6. Step 6: Final answer
    x = 6,621,872.18

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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.