Home / 9,222,482.22-12,728,147.57-5,355,003.26

Finding the Fourth Proportional to 9,222,482.22, 12,728,147.57 and 5,355,003.26

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Solution

The fourth proportional to 9,222,482.22, 12,728,147.57 and 5,355,003.26 is: 7,390,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222,482.22 : 12,728,147.57 = 5,355,003.26 : x
  2. Step 2: Convert to fraction form
    9,222,482.22/12,728,147.57 = 5,355,003.26/x
  3. Step 3: Cross multiply
    9,222,482.22x = 12,728,147.57 × 5,355,003.26
  4. Step 4: Simplify right side
    9,222,482.22x = 68,159,271,749,543.95
  5. Step 5: Solve for x
    x = 68,159,271,749,543.95/9,222,482.22
  6. Step 6: Final answer
    x = 7,390,556.05

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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.