Home / 8,570,880.80-11,827,960.68-4,703,761.76

Finding the Fourth Proportional to 8,570,880.80, 11,827,960.68 and 4,703,761.76

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Solution

The fourth proportional to 8,570,880.80, 11,827,960.68 and 4,703,761.76 is: 6,491,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570,880.80 : 11,827,960.68 = 4,703,761.76 : x
  2. Step 2: Convert to fraction form
    8,570,880.80/11,827,960.68 = 4,703,761.76/x
  3. Step 3: Cross multiply
    8,570,880.80x = 11,827,960.68 × 4,703,761.76
  4. Step 4: Simplify right side
    8,570,880.80x = 55,635,909,145,367.59
  5. Step 5: Solve for x
    x = 55,635,909,145,367.59/8,570,880.80
  6. Step 6: Final answer
    x = 6,491,270.90

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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.