Home / 12,053,190.42-18,079,785.63-5,320,263.06

Finding the Fourth Proportional to 12,053,190.42, 18,079,785.63 and 5,320,263.06

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Solution

The fourth proportional to 12,053,190.42, 18,079,785.63 and 5,320,263.06 is: 7,980,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053,190.42 : 18,079,785.63 = 5,320,263.06 : x
  2. Step 2: Convert to fraction form
    12,053,190.42/18,079,785.63 = 5,320,263.06/x
  3. Step 3: Cross multiply
    12,053,190.42x = 18,079,785.63 × 5,320,263.06
  4. Step 4: Simplify right side
    12,053,190.42x = 96,189,215,620,007.81
  5. Step 5: Solve for x
    x = 96,189,215,620,007.81/12,053,190.42
  6. Step 6: Final answer
    x = 7,980,394.59

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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.