Home / 12,126,846.60-18,190,269.90-3,606,075.90

Finding the Fourth Proportional to 12,126,846.60, 18,190,269.90 and 3,606,075.90

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Solution

The fourth proportional to 12,126,846.60, 18,190,269.90 and 3,606,075.90 is: 5,409,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,846.60 : 18,190,269.90 = 3,606,075.90 : x
  2. Step 2: Convert to fraction form
    12,126,846.60/18,190,269.90 = 3,606,075.90/x
  3. Step 3: Cross multiply
    12,126,846.60x = 18,190,269.90 × 3,606,075.90
  4. Step 4: Simplify right side
    12,126,846.60x = 65,595,493,900,885.41
  5. Step 5: Solve for x
    x = 65,595,493,900,885.41/12,126,846.60
  6. Step 6: Final answer
    x = 5,409,113.85

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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.