Home / 11,286,020.40-16,929,030.60-8,412,010.80

Finding the Fourth Proportional to 11,286,020.40, 16,929,030.60 and 8,412,010.80

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Solution

The fourth proportional to 11,286,020.40, 16,929,030.60 and 8,412,010.80 is: 12,618,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286,020.40 : 16,929,030.60 = 8,412,010.80 : x
  2. Step 2: Convert to fraction form
    11,286,020.40/16,929,030.60 = 8,412,010.80/x
  3. Step 3: Cross multiply
    11,286,020.40x = 16,929,030.60 × 8,412,010.80
  4. Step 4: Simplify right side
    11,286,020.40x = 142,407,188,240,730.50
  5. Step 5: Solve for x
    x = 142,407,188,240,730.50/11,286,020.40
  6. Step 6: Final answer
    x = 12,618,016.20

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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.