Home / 13,319,271.14-18,380,594.10-7,207,699.64

Finding the Fourth Proportional to 13,319,271.14, 18,380,594.10 and 7,207,699.64

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Solution

The fourth proportional to 13,319,271.14, 18,380,594.10 and 7,207,699.64 is: 9,946,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,271.14 : 18,380,594.10 = 7,207,699.64 : x
  2. Step 2: Convert to fraction form
    13,319,271.14/18,380,594.10 = 7,207,699.64/x
  3. Step 3: Cross multiply
    13,319,271.14x = 18,380,594.10 × 7,207,699.64
  4. Step 4: Simplify right side
    13,319,271.14x = 132,481,801,477,556.12
  5. Step 5: Solve for x
    x = 132,481,801,477,556.12/13,319,271.14
  6. Step 6: Final answer
    x = 9,946,625.46

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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.