Home / 10,709,732.10-16,040,978.55-5,655,137.70

Finding the Fourth Proportional to 10,709,732.10, 16,040,978.55 and 5,655,137.70

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Solution

The fourth proportional to 10,709,732.10, 16,040,978.55 and 5,655,137.70 is: 8,470,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709,732.10 : 16,040,978.55 = 5,655,137.70 : x
  2. Step 2: Convert to fraction form
    10,709,732.10/16,040,978.55 = 5,655,137.70/x
  3. Step 3: Cross multiply
    10,709,732.10x = 16,040,978.55 × 5,655,137.70
  4. Step 4: Simplify right side
    10,709,732.10x = 90,713,942,542,996.34
  5. Step 5: Solve for x
    x = 90,713,942,542,996.34/10,709,732.10
  6. Step 6: Final answer
    x = 8,470,234.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.