Home / 12,267,760.20-18,401,640.30-12,183,779.40

Finding the Fourth Proportional to 12,267,760.20, 18,401,640.30 and 12,183,779.40

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Solution

The fourth proportional to 12,267,760.20, 18,401,640.30 and 12,183,779.40 is: 18,275,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267,760.20 : 18,401,640.30 = 12,183,779.40 : x
  2. Step 2: Convert to fraction form
    12,267,760.20/18,401,640.30 = 12,183,779.40/x
  3. Step 3: Cross multiply
    12,267,760.20x = 18,401,640.30 × 12,183,779.40
  4. Step 4: Simplify right side
    12,267,760.20x = 224,201,526,013,349.84
  5. Step 5: Solve for x
    x = 224,201,526,013,349.84/12,267,760.20
  6. Step 6: Final answer
    x = 18,275,669.10

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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.