Finding the Fourth Proportional to 12,933,213.75, 19,368,306.35 and 8,553,684.96
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Solution
The fourth proportional to 12,933,213.75, 19,368,306.35 and 8,553,684.96 is: 12,809,684.73
Step by Step Solution
- Step 1: Write the proportion equation
12,933,213.75 : 19,368,306.35 = 8,553,684.96 : x - Step 2: Convert to fraction form
12,933,213.75/19,368,306.35 = 8,553,684.96/x - Step 3: Cross multiply
12,933,213.75x = 19,368,306.35 × 8,553,684.96 - Step 4: Simplify right side
12,933,213.75x = 165,670,390,726,667.53 - Step 5: Solve for x
x = 165,670,390,726,667.53/12,933,213.75 - Step 6: Final answer
x = 12,809,684.73
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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.