Finding the Fourth Proportional to 12,392,368.08, 18,595,827.52 and 5,203,349.16
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Solution
The fourth proportional to 12,392,368.08, 18,595,827.52 and 5,203,349.16 is: 7,808,078.56
Step by Step Solution
- Step 1: Write the proportion equation
12,392,368.08 : 18,595,827.52 = 5,203,349.16 : x - Step 2: Convert to fraction form
12,392,368.08/18,595,827.52 = 5,203,349.16/x - Step 3: Cross multiply
12,392,368.08x = 18,595,827.52 × 5,203,349.16 - Step 4: Simplify right side
12,392,368.08x = 96,760,583,505,696.89 - Step 5: Solve for x
x = 96,760,583,505,696.89/12,392,368.08 - Step 6: Final answer
x = 7,808,078.56
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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.