Home / 12,892,645.36-19,336,865.79-3,792,614.32

Finding the Fourth Proportional to 12,892,645.36, 19,336,865.79 and 3,792,614.32

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Solution

The fourth proportional to 12,892,645.36, 19,336,865.79 and 3,792,614.32 is: 5,688,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,645.36 : 19,336,865.79 = 3,792,614.32 : x
  2. Step 2: Convert to fraction form
    12,892,645.36/19,336,865.79 = 3,792,614.32/x
  3. Step 3: Cross multiply
    12,892,645.36x = 19,336,865.79 × 3,792,614.32
  4. Step 4: Simplify right side
    12,892,645.36x = 73,337,274,099,072.11
  5. Step 5: Solve for x
    x = 73,337,274,099,072.11/12,892,645.36
  6. Step 6: Final answer
    x = 5,688,303.06

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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.