Home / 7,688,475.37-11,538,390.62-3,644,977.38

Finding the Fourth Proportional to 7,688,475.37, 11,538,390.62 and 3,644,977.38

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Solution

The fourth proportional to 7,688,475.37, 11,538,390.62 and 3,644,977.38 is: 5,470,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,475.37 : 11,538,390.62 = 3,644,977.38 : x
  2. Step 2: Convert to fraction form
    7,688,475.37/11,538,390.62 = 3,644,977.38/x
  3. Step 3: Cross multiply
    7,688,475.37x = 11,538,390.62 × 3,644,977.38
  4. Step 4: Simplify right side
    7,688,475.37x = 42,057,172,811,504.17
  5. Step 5: Solve for x
    x = 42,057,172,811,504.17/7,688,475.37
  6. Step 6: Final answer
    x = 5,470,157.71

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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.