Finding the Fourth Proportional to 7,485,421.44, 10,329,869.34 and 4,222,226.01
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Solution
The fourth proportional to 7,485,421.44, 10,329,869.34 and 4,222,226.01 is: 5,826,664.99
Step by Step Solution
- Step 1: Write the proportion equation
7,485,421.44 : 10,329,869.34 = 4,222,226.01 : x - Step 2: Convert to fraction form
7,485,421.44/10,329,869.34 = 4,222,226.01/x - Step 3: Cross multiply
7,485,421.44x = 10,329,869.34 × 4,222,226.01 - Step 4: Simplify right side
7,485,421.44x = 43,615,043,007,249.53 - Step 5: Solve for x
x = 43,615,043,007,249.53/7,485,421.44 - Step 6: Final answer
x = 5,826,664.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.