Home / 10,728,368.80-16,078,556.40-4,970,435.20

Finding the Fourth Proportional to 10,728,368.80, 16,078,556.40 and 4,970,435.20

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Solution

The fourth proportional to 10,728,368.80, 16,078,556.40 and 4,970,435.20 is: 7,449,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,368.80 : 16,078,556.40 = 4,970,435.20 : x
  2. Step 2: Convert to fraction form
    10,728,368.80/16,078,556.40 = 4,970,435.20/x
  3. Step 3: Cross multiply
    10,728,368.80x = 16,078,556.40 × 4,970,435.20
  4. Step 4: Simplify right side
    10,728,368.80x = 79,917,422,695,745.28
  5. Step 5: Solve for x
    x = 79,917,422,695,745.28/10,728,368.80
  6. Step 6: Final answer
    x = 7,449,168.11

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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.