Home / 7,161,965-10,743,243.96-2,113,275.50

Finding the Fourth Proportional to 7,161,965, 10,743,243.96 and 2,113,275.50

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Solution

The fourth proportional to 7,161,965, 10,743,243.96 and 2,113,275.50 is: 3,170,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,965 : 10,743,243.96 = 2,113,275.50 : x
  2. Step 2: Convert to fraction form
    7,161,965/10,743,243.96 = 2,113,275.50/x
  3. Step 3: Cross multiply
    7,161,965x = 10,743,243.96 × 2,113,275.50
  4. Step 4: Simplify right side
    7,161,965x = 22,703,434,251,190.98
  5. Step 5: Solve for x
    x = 22,703,434,251,190.98/7,161,965
  6. Step 6: Final answer
    x = 3,170,000.73

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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.