Home / 12,873,466.59-17,765,390.40-7,072,621.92

Finding the Fourth Proportional to 12,873,466.59, 17,765,390.40 and 7,072,621.92

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Solution

The fourth proportional to 12,873,466.59, 17,765,390.40 and 7,072,621.92 is: 9,760,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,466.59 : 17,765,390.40 = 7,072,621.92 : x
  2. Step 2: Convert to fraction form
    12,873,466.59/17,765,390.40 = 7,072,621.92/x
  3. Step 3: Cross multiply
    12,873,466.59x = 17,765,390.40 × 7,072,621.92
  4. Step 4: Simplify right side
    12,873,466.59x = 125,647,889,560,397.56
  5. Step 5: Solve for x
    x = 125,647,889,560,397.56/12,873,466.59
  6. Step 6: Final answer
    x = 9,760,221.82

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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.