Home / 12,673,480.80-19,010,221.20-11,280,021.60

Finding the Fourth Proportional to 12,673,480.80, 19,010,221.20 and 11,280,021.60

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Solution

The fourth proportional to 12,673,480.80, 19,010,221.20 and 11,280,021.60 is: 16,920,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,480.80 : 19,010,221.20 = 11,280,021.60 : x
  2. Step 2: Convert to fraction form
    12,673,480.80/19,010,221.20 = 11,280,021.60/x
  3. Step 3: Cross multiply
    12,673,480.80x = 19,010,221.20 × 11,280,021.60
  4. Step 4: Simplify right side
    12,673,480.80x = 214,435,705,756,777.91
  5. Step 5: Solve for x
    x = 214,435,705,756,777.91/12,673,480.80
  6. Step 6: Final answer
    x = 16,920,032.40

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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.