Home / 8,247,748.62-12,365,401.77-5,408,575.50

Finding the Fourth Proportional to 8,247,748.62, 12,365,401.77 and 5,408,575.50

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Solution

The fourth proportional to 8,247,748.62, 12,365,401.77 and 5,408,575.50 is: 8,108,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247,748.62 : 12,365,401.77 = 5,408,575.50 : x
  2. Step 2: Convert to fraction form
    8,247,748.62/12,365,401.77 = 5,408,575.50/x
  3. Step 3: Cross multiply
    8,247,748.62x = 12,365,401.77 × 5,408,575.50
  4. Step 4: Simplify right side
    8,247,748.62x = 66,879,209,060,878.63
  5. Step 5: Solve for x
    x = 66,879,209,060,878.63/8,247,748.62
  6. Step 6: Final answer
    x = 8,108,783.64

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1.5x scale

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.