Home / 10,728,378.36-16,090,839-2,945,477.16

Finding the Fourth Proportional to 10,728,378.36, 16,090,839 and 2,945,477.16

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Solution

The fourth proportional to 10,728,378.36, 16,090,839 and 2,945,477.16 is: 4,417,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,378.36 : 16,090,839 = 2,945,477.16 : x
  2. Step 2: Convert to fraction form
    10,728,378.36/16,090,839 = 2,945,477.16/x
  3. Step 3: Cross multiply
    10,728,378.36x = 16,090,839 × 2,945,477.16
  4. Step 4: Simplify right side
    10,728,378.36x = 47,395,198,759,737.24
  5. Step 5: Solve for x
    x = 47,395,198,759,737.24/10,728,378.36
  6. Step 6: Final answer
    x = 4,417,741.17

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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.