Home / 10,778,920.80-16,170,627.60-3,592,687.20

Finding the Fourth Proportional to 10,778,920.80, 16,170,627.60 and 3,592,687.20

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Solution

The fourth proportional to 10,778,920.80, 16,170,627.60 and 3,592,687.20 is: 5,389,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,920.80 : 16,170,627.60 = 3,592,687.20 : x
  2. Step 2: Convert to fraction form
    10,778,920.80/16,170,627.60 = 3,592,687.20/x
  3. Step 3: Cross multiply
    10,778,920.80x = 16,170,627.60 × 3,592,687.20
  4. Step 4: Simplify right side
    10,778,920.80x = 58,096,006,794,486.72
  5. Step 5: Solve for x
    x = 58,096,006,794,486.72/10,778,920.80
  6. Step 6: Final answer
    x = 5,389,779.54

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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.