Home / 12,310,185.42-18,465,253.36-11,561,071.64

Finding the Fourth Proportional to 12,310,185.42, 18,465,253.36 and 11,561,071.64

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Solution

The fourth proportional to 12,310,185.42, 18,465,253.36 and 11,561,071.64 is: 17,341,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,185.42 : 18,465,253.36 = 11,561,071.64 : x
  2. Step 2: Convert to fraction form
    12,310,185.42/18,465,253.36 = 11,561,071.64/x
  3. Step 3: Cross multiply
    12,310,185.42x = 18,465,253.36 × 11,561,071.64
  4. Step 4: Simplify right side
    12,310,185.42x = 213,478,116,945,710.72
  5. Step 5: Solve for x
    x = 213,478,116,945,710.72/12,310,185.42
  6. Step 6: Final answer
    x = 17,341,584.20

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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.