Finding the Fourth Proportional to 14,474,553.12, 19,976,475.96 and 8,280,172.08
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Solution
The fourth proportional to 14,474,553.12, 19,976,475.96 and 8,280,172.08 is: 11,427,548.55
Step by Step Solution
- Step 1: Write the proportion equation
14,474,553.12 : 19,976,475.96 = 8,280,172.08 : x - Step 2: Convert to fraction form
14,474,553.12/19,976,475.96 = 8,280,172.08/x - Step 3: Cross multiply
14,474,553.12x = 19,976,475.96 × 8,280,172.08 - Step 4: Simplify right side
14,474,553.12x = 165,408,658,500,783.22 - Step 5: Solve for x
x = 165,408,658,500,783.22/14,474,553.12 - Step 6: Final answer
x = 11,427,548.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.