Home / 28,733,515.60-43,121,268.60-20,230,459.60

Finding the Fourth Proportional to 28,733,515.60, 43,121,268.60 and 20,230,459.60

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Solution

The fourth proportional to 28,733,515.60, 43,121,268.60 and 20,230,459.60 is: 30,360,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,515.60 : 43,121,268.60 = 20,230,459.60 : x
  2. Step 2: Convert to fraction form
    28,733,515.60/43,121,268.60 = 20,230,459.60/x
  3. Step 3: Cross multiply
    28,733,515.60x = 43,121,268.60 × 20,230,459.60
  4. Step 4: Simplify right side
    28,733,515.60x = 872,363,082,313,048.62
  5. Step 5: Solve for x
    x = 872,363,082,313,048.62/28,733,515.60
  6. Step 6: Final answer
    x = 30,360,471.53

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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.