Home / 9,309,818.03-12,846,034.97-5,179,743.05

Finding the Fourth Proportional to 9,309,818.03, 12,846,034.97 and 5,179,743.05

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Solution

The fourth proportional to 9,309,818.03, 12,846,034.97 and 5,179,743.05 is: 7,147,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,818.03 : 12,846,034.97 = 5,179,743.05 : x
  2. Step 2: Convert to fraction form
    9,309,818.03/12,846,034.97 = 5,179,743.05/x
  3. Step 3: Cross multiply
    9,309,818.03x = 12,846,034.97 × 5,179,743.05
  4. Step 4: Simplify right side
    9,309,818.03x = 66,539,160,330,015.74
  5. Step 5: Solve for x
    x = 66,539,160,330,015.74/9,309,818.03
  6. Step 6: Final answer
    x = 7,147,203.10

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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.