Home / 10,728,015.40-16,085,802.30-3,997,109.80

Finding the Fourth Proportional to 10,728,015.40, 16,085,802.30 and 3,997,109.80

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Solution

The fourth proportional to 10,728,015.40, 16,085,802.30 and 3,997,109.80 is: 5,993,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,015.40 : 16,085,802.30 = 3,997,109.80 : x
  2. Step 2: Convert to fraction form
    10,728,015.40/16,085,802.30 = 3,997,109.80/x
  3. Step 3: Cross multiply
    10,728,015.40x = 16,085,802.30 × 3,997,109.80
  4. Step 4: Simplify right side
    10,728,015.40x = 64,296,718,014,192.54
  5. Step 5: Solve for x
    x = 64,296,718,014,192.54/10,728,015.40
  6. Step 6: Final answer
    x = 5,993,346.92

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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.