Home / 12,346,500.36-18,515,824.56-11,540,493.86

Finding the Fourth Proportional to 12,346,500.36, 18,515,824.56 and 11,540,493.86

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Solution

The fourth proportional to 12,346,500.36, 18,515,824.56 and 11,540,493.86 is: 17,307,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,500.36 : 18,515,824.56 = 11,540,493.86 : x
  2. Step 2: Convert to fraction form
    12,346,500.36/18,515,824.56 = 11,540,493.86/x
  3. Step 3: Cross multiply
    12,346,500.36x = 18,515,824.56 × 11,540,493.86
  4. Step 4: Simplify right side
    12,346,500.36x = 213,681,759,554,938.06
  5. Step 5: Solve for x
    x = 213,681,759,554,938.06/12,346,500.36
  6. Step 6: Final answer
    x = 17,307,071.10

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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.