Finding the Fourth Proportional to 18,565,538.23, 27,848,307.35 and 4,920,790.55
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Solution
The fourth proportional to 18,565,538.23, 27,848,307.35 and 4,920,790.55 is: 7,381,185.83
Step by Step Solution
- Step 1: Write the proportion equation
18,565,538.23 : 27,848,307.35 = 4,920,790.55 : x - Step 2: Convert to fraction form
18,565,538.23/27,848,307.35 = 4,920,790.55/x - Step 3: Cross multiply
18,565,538.23x = 27,848,307.35 × 4,920,790.55 - Step 4: Simplify right side
18,565,538.23x = 137,035,687,641,375.55 - Step 5: Solve for x
x = 137,035,687,641,375.55/18,565,538.23 - Step 6: Final answer
x = 7,381,185.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.