Home / 13,762,685.73-18,992,818.52-7,568,076.57

Finding the Fourth Proportional to 13,762,685.73, 18,992,818.52 and 7,568,076.57

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Solution

The fourth proportional to 13,762,685.73, 18,992,818.52 and 7,568,076.57 is: 10,444,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,685.73 : 18,992,818.52 = 7,568,076.57 : x
  2. Step 2: Convert to fraction form
    13,762,685.73/18,992,818.52 = 7,568,076.57/x
  3. Step 3: Cross multiply
    13,762,685.73x = 18,992,818.52 × 7,568,076.57
  4. Step 4: Simplify right side
    13,762,685.73x = 143,739,104,839,474.09
  5. Step 5: Solve for x
    x = 143,739,104,839,474.09/13,762,685.73
  6. Step 6: Final answer
    x = 10,444,117.35

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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.