Home / 10,480,060.90-15,682,766.55-7,270,128.10

Finding the Fourth Proportional to 10,480,060.90, 15,682,766.55 and 7,270,128.10

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Solution

The fourth proportional to 10,480,060.90, 15,682,766.55 and 7,270,128.10 is: 10,879,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480,060.90 : 15,682,766.55 = 7,270,128.10 : x
  2. Step 2: Convert to fraction form
    10,480,060.90/15,682,766.55 = 7,270,128.10/x
  3. Step 3: Cross multiply
    10,480,060.90x = 15,682,766.55 × 7,270,128.10
  4. Step 4: Simplify right side
    10,480,060.90x = 114,015,721,780,895.05
  5. Step 5: Solve for x
    x = 114,015,721,780,895.05/10,480,060.90
  6. Step 6: Final answer
    x = 10,879,299.54

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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.