Home / 21,538,245.72-32,316,851.07-11,300,636.89

Finding the Fourth Proportional to 21,538,245.72, 32,316,851.07 and 11,300,636.89

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Solution

The fourth proportional to 21,538,245.72, 32,316,851.07 and 11,300,636.89 is: 16,955,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,245.72 : 32,316,851.07 = 11,300,636.89 : x
  2. Step 2: Convert to fraction form
    21,538,245.72/32,316,851.07 = 11,300,636.89/x
  3. Step 3: Cross multiply
    21,538,245.72x = 32,316,851.07 × 11,300,636.89
  4. Step 4: Simplify right side
    21,538,245.72x = 365,200,999,228,891.75
  5. Step 5: Solve for x
    x = 365,200,999,228,891.75/21,538,245.72
  6. Step 6: Final answer
    x = 16,955,930.58

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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.