Finding the Fourth Proportional to 13,616,467.74, 20,427,895.08 and 5,419,606.05
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Solution
The fourth proportional to 13,616,467.74, 20,427,895.08 and 5,419,606.05 is: 8,130,680.14
Step by Step Solution
- Step 1: Write the proportion equation
13,616,467.74 : 20,427,895.08 = 5,419,606.05 : x - Step 2: Convert to fraction form
13,616,467.74/20,427,895.08 = 5,419,606.05/x - Step 3: Cross multiply
13,616,467.74x = 20,427,895.08 × 5,419,606.05 - Step 4: Simplify right side
13,616,467.74x = 110,711,143,764,333.22 - Step 5: Solve for x
x = 110,711,143,764,333.22/13,616,467.74 - Step 6: Final answer
x = 8,130,680.14
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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.