Home / 20,298,360-30,444,297.60-5,918,064.96

Finding the Fourth Proportional to 20,298,360, 30,444,297.60 and 5,918,064.96

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Solution

The fourth proportional to 20,298,360, 30,444,297.60 and 5,918,064.96 is: 8,876,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,360 : 30,444,297.60 = 5,918,064.96 : x
  2. Step 2: Convert to fraction form
    20,298,360/30,444,297.60 = 5,918,064.96/x
  3. Step 3: Cross multiply
    20,298,360x = 30,444,297.60 × 5,918,064.96
  4. Step 4: Simplify right side
    20,298,360x = 180,171,330,858,372.09
  5. Step 5: Solve for x
    x = 180,171,330,858,372.09/20,298,360
  6. Step 6: Final answer
    x = 8,876,152.11

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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.