Home / 12,436,336.26-18,640,353.27-7,567,905.36

Finding the Fourth Proportional to 12,436,336.26, 18,640,353.27 and 7,567,905.36

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Solution

The fourth proportional to 12,436,336.26, 18,640,353.27 and 7,567,905.36 is: 11,343,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,336.26 : 18,640,353.27 = 7,567,905.36 : x
  2. Step 2: Convert to fraction form
    12,436,336.26/18,640,353.27 = 7,567,905.36/x
  3. Step 3: Cross multiply
    12,436,336.26x = 18,640,353.27 × 7,567,905.36
  4. Step 4: Simplify right side
    12,436,336.26x = 141,068,429,424,326.53
  5. Step 5: Solve for x
    x = 141,068,429,424,326.53/12,436,336.26
  6. Step 6: Final answer
    x = 11,343,246.63

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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.