Home / 9,408,448.12-12,990,971.84-7,229,556.76

Finding the Fourth Proportional to 9,408,448.12, 12,990,971.84 and 7,229,556.76

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Solution

The fourth proportional to 9,408,448.12, 12,990,971.84 and 7,229,556.76 is: 9,982,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408,448.12 : 12,990,971.84 = 7,229,556.76 : x
  2. Step 2: Convert to fraction form
    9,408,448.12/12,990,971.84 = 7,229,556.76/x
  3. Step 3: Cross multiply
    9,408,448.12x = 12,990,971.84 × 7,229,556.76
  4. Step 4: Simplify right side
    9,408,448.12x = 93,918,968,284,841.64
  5. Step 5: Solve for x
    x = 93,918,968,284,841.64/9,408,448.12
  6. Step 6: Final answer
    x = 9,982,408.05

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Double scale
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1.5x scale

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.