Home / 13,079,938.88-18,050,172.41-7,199,447.34

Finding the Fourth Proportional to 13,079,938.88, 18,050,172.41 and 7,199,447.34

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Solution

The fourth proportional to 13,079,938.88, 18,050,172.41 and 7,199,447.34 is: 9,935,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,938.88 : 18,050,172.41 = 7,199,447.34 : x
  2. Step 2: Convert to fraction form
    13,079,938.88/18,050,172.41 = 7,199,447.34/x
  3. Step 3: Cross multiply
    13,079,938.88x = 18,050,172.41 × 7,199,447.34
  4. Step 4: Simplify right side
    13,079,938.88x = 129,951,265,743,715.89
  5. Step 5: Solve for x
    x = 129,951,265,743,715.89/13,079,938.88
  6. Step 6: Final answer
    x = 9,935,158.48

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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.