Home / 20,346,576.58-28,071,331.34-12,608,795.62

Finding the Fourth Proportional to 20,346,576.58, 28,071,331.34 and 12,608,795.62

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Solution

The fourth proportional to 20,346,576.58, 28,071,331.34 and 12,608,795.62 is: 17,395,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,576.58 : 28,071,331.34 = 12,608,795.62 : x
  2. Step 2: Convert to fraction form
    20,346,576.58/28,071,331.34 = 12,608,795.62/x
  3. Step 3: Cross multiply
    20,346,576.58x = 28,071,331.34 × 12,608,795.62
  4. Step 4: Simplify right side
    20,346,576.58x = 353,945,679,647,360.69
  5. Step 5: Solve for x
    x = 353,945,679,647,360.69/20,346,576.58
  6. Step 6: Final answer
    x = 17,395,834.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.