Home / 9,991,222.63-13,788,221.56-6,122,996.75

Finding the Fourth Proportional to 9,991,222.63, 13,788,221.56 and 6,122,996.75

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Solution

The fourth proportional to 9,991,222.63, 13,788,221.56 and 6,122,996.75 is: 8,449,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,222.63 : 13,788,221.56 = 6,122,996.75 : x
  2. Step 2: Convert to fraction form
    9,991,222.63/13,788,221.56 = 6,122,996.75/x
  3. Step 3: Cross multiply
    9,991,222.63x = 13,788,221.56 × 6,122,996.75
  4. Step 4: Simplify right side
    9,991,222.63x = 84,425,235,819,323
  5. Step 5: Solve for x
    x = 84,425,235,819,323/9,991,222.63
  6. Step 6: Final answer
    x = 8,449,940.41

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1.5x scale

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.