Home / 12,096,010.40-18,144,015.60-7,309,104.80

Finding the Fourth Proportional to 12,096,010.40, 18,144,015.60 and 7,309,104.80

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Solution

The fourth proportional to 12,096,010.40, 18,144,015.60 and 7,309,104.80 is: 10,963,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,010.40 : 18,144,015.60 = 7,309,104.80 : x
  2. Step 2: Convert to fraction form
    12,096,010.40/18,144,015.60 = 7,309,104.80/x
  3. Step 3: Cross multiply
    12,096,010.40x = 18,144,015.60 × 7,309,104.80
  4. Step 4: Simplify right side
    12,096,010.40x = 132,616,511,513,234.89
  5. Step 5: Solve for x
    x = 132,616,511,513,234.89/12,096,010.40
  6. Step 6: Final answer
    x = 10,963,657.20

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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.