Home / 20,153,960.80-30,211,587.60-6,683,855.20

Finding the Fourth Proportional to 20,153,960.80, 30,211,587.60 and 6,683,855.20

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Solution

The fourth proportional to 20,153,960.80, 30,211,587.60 and 6,683,855.20 is: 10,019,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,960.80 : 30,211,587.60 = 6,683,855.20 : x
  2. Step 2: Convert to fraction form
    20,153,960.80/30,211,587.60 = 6,683,855.20/x
  3. Step 3: Cross multiply
    20,153,960.80x = 30,211,587.60 × 6,683,855.20
  4. Step 4: Simplify right side
    20,153,960.80x = 201,929,876,880,515.53
  5. Step 5: Solve for x
    x = 201,929,876,880,515.53/20,153,960.80
  6. Step 6: Final answer
    x = 10,019,364.38

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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.