Home / 13,150,723.61-18,148,559.19-7,349,505.23

Finding the Fourth Proportional to 13,150,723.61, 18,148,559.19 and 7,349,505.23

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Solution

The fourth proportional to 13,150,723.61, 18,148,559.19 and 7,349,505.23 is: 10,142,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,723.61 : 18,148,559.19 = 7,349,505.23 : x
  2. Step 2: Convert to fraction form
    13,150,723.61/18,148,559.19 = 7,349,505.23/x
  3. Step 3: Cross multiply
    13,150,723.61x = 18,148,559.19 × 7,349,505.23
  4. Step 4: Simplify right side
    13,150,723.61x = 133,382,930,701,680.33
  5. Step 5: Solve for x
    x = 133,382,930,701,680.33/13,150,723.61
  6. Step 6: Final answer
    x = 10,142,630.52

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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.