Home / 10,128,658.44-13,977,546.90-5,482,442.54

Finding the Fourth Proportional to 10,128,658.44, 13,977,546.90 and 5,482,442.54

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Solution

The fourth proportional to 10,128,658.44, 13,977,546.90 and 5,482,442.54 is: 7,565,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,658.44 : 13,977,546.90 = 5,482,442.54 : x
  2. Step 2: Convert to fraction form
    10,128,658.44/13,977,546.90 = 5,482,442.54/x
  3. Step 3: Cross multiply
    10,128,658.44x = 13,977,546.90 × 5,482,442.54
  4. Step 4: Simplify right side
    10,128,658.44x = 76,631,097,729,405.12
  5. Step 5: Solve for x
    x = 76,631,097,729,405.12/10,128,658.44
  6. Step 6: Final answer
    x = 7,565,769.76

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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.