Home / 11,909,128.20-16,438,297.38-9,466,074.24

Finding the Fourth Proportional to 11,909,128.20, 16,438,297.38 and 9,466,074.24

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Solution

The fourth proportional to 11,909,128.20, 16,438,297.38 and 9,466,074.24 is: 13,066,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,128.20 : 16,438,297.38 = 9,466,074.24 : x
  2. Step 2: Convert to fraction form
    11,909,128.20/16,438,297.38 = 9,466,074.24/x
  3. Step 3: Cross multiply
    11,909,128.20x = 16,438,297.38 × 9,466,074.24
  4. Step 4: Simplify right side
    11,909,128.20x = 155,606,143,378,277.50
  5. Step 5: Solve for x
    x = 155,606,143,378,277.50/11,909,128.20
  6. Step 6: Final answer
    x = 13,066,123.80

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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.