Home / 20,529,162.10-30,800,583.42-6,883,657.48

Finding the Fourth Proportional to 20,529,162.10, 30,800,583.42 and 6,883,657.48

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Solution

The fourth proportional to 20,529,162.10, 30,800,583.42 and 6,883,657.48 is: 10,327,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,162.10 : 30,800,583.42 = 6,883,657.48 : x
  2. Step 2: Convert to fraction form
    20,529,162.10/30,800,583.42 = 6,883,657.48/x
  3. Step 3: Cross multiply
    20,529,162.10x = 30,800,583.42 × 6,883,657.48
  4. Step 4: Simplify right side
    20,529,162.10x = 212,020,666,447,447
  5. Step 5: Solve for x
    x = 212,020,666,447,447/20,529,162.10
  6. Step 6: Final answer
    x = 10,327,779.84

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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.