Home / 9,408,468.16-12,990,999.44-7,229,576.80

Finding the Fourth Proportional to 9,408,468.16, 12,990,999.44 and 7,229,576.80

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Solution

The fourth proportional to 9,408,468.16, 12,990,999.44 and 7,229,576.80 is: 9,982,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408,468.16 : 12,990,999.44 = 7,229,576.80 : x
  2. Step 2: Convert to fraction form
    9,408,468.16/12,990,999.44 = 7,229,576.80/x
  3. Step 3: Cross multiply
    9,408,468.16x = 12,990,999.44 × 7,229,576.80
  4. Step 4: Simplify right side
    9,408,468.16x = 93,919,428,160,236.98
  5. Step 5: Solve for x
    x = 93,919,428,160,236.98/9,408,468.16
  6. Step 6: Final answer
    x = 9,982,435.67

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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.