Home / 20,273,155.10-30,410,043.69-6,810,099.74

Finding the Fourth Proportional to 20,273,155.10, 30,410,043.69 and 6,810,099.74

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Solution

The fourth proportional to 20,273,155.10, 30,410,043.69 and 6,810,099.74 is: 10,215,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,155.10 : 30,410,043.69 = 6,810,099.74 : x
  2. Step 2: Convert to fraction form
    20,273,155.10/30,410,043.69 = 6,810,099.74/x
  3. Step 3: Cross multiply
    20,273,155.10x = 30,410,043.69 × 6,810,099.74
  4. Step 4: Simplify right side
    20,273,155.10x = 207,095,430,626,657.66
  5. Step 5: Solve for x
    x = 207,095,430,626,657.66/20,273,155.10
  6. Step 6: Final answer
    x = 10,215,254.09

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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.