Home / 12,861,462.93-17,748,359.63-7,279,589.66

Finding the Fourth Proportional to 12,861,462.93, 17,748,359.63 and 7,279,589.66

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Solution

The fourth proportional to 12,861,462.93, 17,748,359.63 and 7,279,589.66 is: 10,045,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,462.93 : 17,748,359.63 = 7,279,589.66 : x
  2. Step 2: Convert to fraction form
    12,861,462.93/17,748,359.63 = 7,279,589.66/x
  3. Step 3: Cross multiply
    12,861,462.93x = 17,748,359.63 × 7,279,589.66
  4. Step 4: Simplify right side
    12,861,462.93x = 129,200,775,119,369.69
  5. Step 5: Solve for x
    x = 129,200,775,119,369.69/12,861,462.93
  6. Step 6: Final answer
    x = 10,045,573.81

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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.