Home / 15,458,135.04-21,297,132.36-11,961,449.28

Finding the Fourth Proportional to 15,458,135.04, 21,297,132.36 and 11,961,449.28

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Solution

The fourth proportional to 15,458,135.04, 21,297,132.36 and 11,961,449.28 is: 16,479,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,135.04 : 21,297,132.36 = 11,961,449.28 : x
  2. Step 2: Convert to fraction form
    15,458,135.04/21,297,132.36 = 11,961,449.28/x
  3. Step 3: Cross multiply
    15,458,135.04x = 21,297,132.36 × 11,961,449.28
  4. Step 4: Simplify right side
    15,458,135.04x = 254,744,568,533,586.69
  5. Step 5: Solve for x
    x = 254,744,568,533,586.69/15,458,135.04
  6. Step 6: Final answer
    x = 16,479,644.40

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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.