Home / 7,639,977-10,544,665.95-4,378,977.75

Finding the Fourth Proportional to 7,639,977, 10,544,665.95 and 4,378,977.75

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Solution

The fourth proportional to 7,639,977, 10,544,665.95 and 4,378,977.75 is: 6,043,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,977 : 10,544,665.95 = 4,378,977.75 : x
  2. Step 2: Convert to fraction form
    7,639,977/10,544,665.95 = 4,378,977.75/x
  3. Step 3: Cross multiply
    7,639,977x = 10,544,665.95 × 4,378,977.75
  4. Step 4: Simplify right side
    7,639,977x = 46,174,857,576,232.61
  5. Step 5: Solve for x
    x = 46,174,857,576,232.61/7,639,977
  6. Step 6: Final answer
    x = 6,043,847.72

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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.