Home / 13,079,939.62-18,050,173.43-7,199,448.07

Finding the Fourth Proportional to 13,079,939.62, 18,050,173.43 and 7,199,448.07

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Solution

The fourth proportional to 13,079,939.62, 18,050,173.43 and 7,199,448.07 is: 9,935,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,939.62 : 18,050,173.43 = 7,199,448.07 : x
  2. Step 2: Convert to fraction form
    13,079,939.62/18,050,173.43 = 7,199,448.07/x
  3. Step 3: Cross multiply
    13,079,939.62x = 18,050,173.43 × 7,199,448.07
  4. Step 4: Simplify right side
    13,079,939.62x = 129,951,286,263,778.78
  5. Step 5: Solve for x
    x = 129,951,286,263,778.78/13,079,939.62
  6. Step 6: Final answer
    x = 9,935,159.49

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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.