Home / 36,921,136.20-55,431,567.90-21,584,142.60

Finding the Fourth Proportional to 36,921,136.20, 55,431,567.90 and 21,584,142.60

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Solution

The fourth proportional to 36,921,136.20, 55,431,567.90 and 21,584,142.60 is: 32,405,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921,136.20 : 55,431,567.90 = 21,584,142.60 : x
  2. Step 2: Convert to fraction form
    36,921,136.20/55,431,567.90 = 21,584,142.60/x
  3. Step 3: Cross multiply
    36,921,136.20x = 55,431,567.90 × 21,584,142.60
  4. Step 4: Simplify right side
    36,921,136.20x = 1,196,442,866,095,182.50
  5. Step 5: Solve for x
    x = 1,196,442,866,095,182.50/36,921,136.20
  6. Step 6: Final answer
    x = 32,405,364.22

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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.