Home / 12,760,208.64-19,149,287.76-11,540,543.04

Finding the Fourth Proportional to 12,760,208.64, 19,149,287.76 and 11,540,543.04

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Solution

The fourth proportional to 12,760,208.64, 19,149,287.76 and 11,540,543.04 is: 17,318,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,208.64 : 19,149,287.76 = 11,540,543.04 : x
  2. Step 2: Convert to fraction form
    12,760,208.64/19,149,287.76 = 11,540,543.04/x
  3. Step 3: Cross multiply
    12,760,208.64x = 19,149,287.76 × 11,540,543.04
  4. Step 4: Simplify right side
    12,760,208.64x = 220,993,179,579,625.19
  5. Step 5: Solve for x
    x = 220,993,179,579,625.19/12,760,208.64
  6. Step 6: Final answer
    x = 17,318,931.52

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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.