Home / 9,672,687.78-13,348,415.08-5,262,438.49

Finding the Fourth Proportional to 9,672,687.78, 13,348,415.08 and 5,262,438.49

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Solution

The fourth proportional to 9,672,687.78, 13,348,415.08 and 5,262,438.49 is: 7,262,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672,687.78 : 13,348,415.08 = 5,262,438.49 : x
  2. Step 2: Convert to fraction form
    9,672,687.78/13,348,415.08 = 5,262,438.49/x
  3. Step 3: Cross multiply
    9,672,687.78x = 13,348,415.08 × 5,262,438.49
  4. Step 4: Simplify right side
    9,672,687.78x = 70,245,213,250,961.30
  5. Step 5: Solve for x
    x = 70,245,213,250,961.30/9,672,687.78
  6. Step 6: Final answer
    x = 7,262,222.75

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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.