Home / 9,405,662.68-14,103,157.74-8,603,208.64

Finding the Fourth Proportional to 9,405,662.68, 14,103,157.74 and 8,603,208.64

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Solution

The fourth proportional to 9,405,662.68, 14,103,157.74 and 8,603,208.64 is: 12,899,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405,662.68 : 14,103,157.74 = 8,603,208.64 : x
  2. Step 2: Convert to fraction form
    9,405,662.68/14,103,157.74 = 8,603,208.64/x
  3. Step 3: Cross multiply
    9,405,662.68x = 14,103,157.74 × 8,603,208.64
  4. Step 4: Simplify right side
    9,405,662.68x = 121,332,408,520,050.89
  5. Step 5: Solve for x
    x = 121,332,408,520,050.89/9,405,662.68
  6. Step 6: Final answer
    x = 12,899,931.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.