Home / 13,079,937.88-18,050,171.03-7,199,446.34

Finding the Fourth Proportional to 13,079,937.88, 18,050,171.03 and 7,199,446.34

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Solution

The fourth proportional to 13,079,937.88, 18,050,171.03 and 7,199,446.34 is: 9,935,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,937.88 : 18,050,171.03 = 7,199,446.34 : x
  2. Step 2: Convert to fraction form
    13,079,937.88/18,050,171.03 = 7,199,446.34/x
  3. Step 3: Cross multiply
    13,079,937.88x = 18,050,171.03 × 7,199,446.34
  4. Step 4: Simplify right side
    13,079,937.88x = 129,951,237,686,055.28
  5. Step 5: Solve for x
    x = 129,951,237,686,055.28/13,079,937.88
  6. Step 6: Final answer
    x = 9,935,157.10

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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.