Home / 11,888,807.25-16,406,556.39-7,242,592.04

Finding the Fourth Proportional to 11,888,807.25, 16,406,556.39 and 7,242,592.04

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Solution

The fourth proportional to 11,888,807.25, 16,406,556.39 and 7,242,592.04 is: 9,994,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888,807.25 : 16,406,556.39 = 7,242,592.04 : x
  2. Step 2: Convert to fraction form
    11,888,807.25/16,406,556.39 = 7,242,592.04/x
  3. Step 3: Cross multiply
    11,888,807.25x = 16,406,556.39 × 7,242,592.04
  4. Step 4: Simplify right side
    11,888,807.25x = 118,825,994,631,992.36
  5. Step 5: Solve for x
    x = 118,825,994,631,992.36/11,888,807.25
  6. Step 6: Final answer
    x = 9,994,778.46

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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.