Home / 12,395,128.38-18,535,615.77-11,790,466.62

Finding the Fourth Proportional to 12,395,128.38, 18,535,615.77 and 11,790,466.62

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Solution

The fourth proportional to 12,395,128.38, 18,535,615.77 and 11,790,466.62 is: 17,631,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,128.38 : 18,535,615.77 = 11,790,466.62 : x
  2. Step 2: Convert to fraction form
    12,395,128.38/18,535,615.77 = 11,790,466.62/x
  3. Step 3: Cross multiply
    12,395,128.38x = 18,535,615.77 × 11,790,466.62
  4. Step 4: Simplify right side
    12,395,128.38x = 218,543,559,017,330.56
  5. Step 5: Solve for x
    x = 218,543,559,017,330.56/12,395,128.38
  6. Step 6: Final answer
    x = 17,631,407.46

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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.