Home / 30,382,069.80-45,594,099.90-21,869,682.60

Finding the Fourth Proportional to 30,382,069.80, 45,594,099.90 and 21,869,682.60

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Solution

The fourth proportional to 30,382,069.80, 45,594,099.90 and 21,869,682.60 is: 32,819,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382,069.80 : 45,594,099.90 = 21,869,682.60 : x
  2. Step 2: Convert to fraction form
    30,382,069.80/45,594,099.90 = 21,869,682.60/x
  3. Step 3: Cross multiply
    30,382,069.80x = 45,594,099.90 × 21,869,682.60
  4. Step 4: Simplify right side
    30,382,069.80x = 997,128,493,245,691.75
  5. Step 5: Solve for x
    x = 997,128,493,245,691.75/30,382,069.80
  6. Step 6: Final answer
    x = 32,819,636.71

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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.