Finding the Fourth Proportional to 12,228,727.80, 18,343,135.44 and 3,709,138.08
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Solution
The fourth proportional to 12,228,727.80, 18,343,135.44 and 3,709,138.08 is: 5,563,720.39
Step by Step Solution
- Step 1: Write the proportion equation
12,228,727.80 : 18,343,135.44 = 3,709,138.08 : x - Step 2: Convert to fraction form
12,228,727.80/18,343,135.44 = 3,709,138.08/x - Step 3: Cross multiply
12,228,727.80x = 18,343,135.44 × 3,709,138.08 - Step 4: Simplify right side
12,228,727.80x = 68,037,222,167,101.56 - Step 5: Solve for x
x = 68,037,222,167,101.56/12,228,727.80 - Step 6: Final answer
x = 5,563,720.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.