Home / 8,709,723.72-12,018,099.87-4,987,975.95

Finding the Fourth Proportional to 8,709,723.72, 12,018,099.87 and 4,987,975.95

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Solution

The fourth proportional to 8,709,723.72, 12,018,099.87 and 4,987,975.95 is: 6,882,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,723.72 : 12,018,099.87 = 4,987,975.95 : x
  2. Step 2: Convert to fraction form
    8,709,723.72/12,018,099.87 = 4,987,975.95/x
  3. Step 3: Cross multiply
    8,709,723.72x = 12,018,099.87 × 4,987,975.95
  4. Step 4: Simplify right side
    8,709,723.72x = 59,945,993,116,258.12
  5. Step 5: Solve for x
    x = 59,945,993,116,258.12/8,709,723.72
  6. Step 6: Final answer
    x = 6,882,651.51

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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.