Home / 10,517,209.60-15,771,148.80-4,839,174.40

Finding the Fourth Proportional to 10,517,209.60, 15,771,148.80 and 4,839,174.40

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Solution

The fourth proportional to 10,517,209.60, 15,771,148.80 and 4,839,174.40 is: 7,256,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517,209.60 : 15,771,148.80 = 4,839,174.40 : x
  2. Step 2: Convert to fraction form
    10,517,209.60/15,771,148.80 = 4,839,174.40/x
  3. Step 3: Cross multiply
    10,517,209.60x = 15,771,148.80 × 4,839,174.40
  4. Step 4: Simplify right side
    10,517,209.60x = 76,319,339,531,550.73
  5. Step 5: Solve for x
    x = 76,319,339,531,550.73/10,517,209.60
  6. Step 6: Final answer
    x = 7,256,614.87

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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.