Home / 28,733,467.60-43,121,196.60-20,230,411.60

Finding the Fourth Proportional to 28,733,467.60, 43,121,196.60 and 20,230,411.60

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Solution

The fourth proportional to 28,733,467.60, 43,121,196.60 and 20,230,411.60 is: 30,360,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,467.60 : 43,121,196.60 = 20,230,411.60 : x
  2. Step 2: Convert to fraction form
    28,733,467.60/43,121,196.60 = 20,230,411.60/x
  3. Step 3: Cross multiply
    28,733,467.60x = 43,121,196.60 × 20,230,411.60
  4. Step 4: Simplify right side
    28,733,467.60x = 872,359,555,902,520.62
  5. Step 5: Solve for x
    x = 872,359,555,902,520.62/28,733,467.60
  6. Step 6: Final answer
    x = 30,360,399.52

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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.