Home / 12,099,346.20-18,149,019.30-4,525,327.80

Finding the Fourth Proportional to 12,099,346.20, 18,149,019.30 and 4,525,327.80

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Solution

The fourth proportional to 12,099,346.20, 18,149,019.30 and 4,525,327.80 is: 6,787,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,346.20 : 18,149,019.30 = 4,525,327.80 : x
  2. Step 2: Convert to fraction form
    12,099,346.20/18,149,019.30 = 4,525,327.80/x
  3. Step 3: Cross multiply
    12,099,346.20x = 18,149,019.30 × 4,525,327.80
  4. Step 4: Simplify right side
    12,099,346.20x = 82,130,261,581,026.55
  5. Step 5: Solve for x
    x = 82,130,261,581,026.55/12,099,346.20
  6. Step 6: Final answer
    x = 6,787,991.70

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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.