Home / 12,204,518.40-18,311,443.20-12,013,228.80

Finding the Fourth Proportional to 12,204,518.40, 18,311,443.20 and 12,013,228.80

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Solution

The fourth proportional to 12,204,518.40, 18,311,443.20 and 12,013,228.80 is: 18,024,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204,518.40 : 18,311,443.20 = 12,013,228.80 : x
  2. Step 2: Convert to fraction form
    12,204,518.40/18,311,443.20 = 12,013,228.80/x
  3. Step 3: Cross multiply
    12,204,518.40x = 18,311,443.20 × 12,013,228.80
  4. Step 4: Simplify right side
    12,204,518.40x = 219,979,556,819,804.16
  5. Step 5: Solve for x
    x = 219,979,556,819,804.16/12,204,518.40
  6. Step 6: Final answer
    x = 18,024,435.67

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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.