Finding the Fourth Proportional to 16,389,412.80, 24,602,781.60 and 9,661,617.60
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Solution
The fourth proportional to 16,389,412.80, 24,602,781.60 and 9,661,617.60 is: 14,503,427.95
Step by Step Solution
- Step 1: Write the proportion equation
16,389,412.80 : 24,602,781.60 = 9,661,617.60 : x - Step 2: Convert to fraction form
16,389,412.80/24,602,781.60 = 9,661,617.60/x - Step 3: Cross multiply
16,389,412.80x = 24,602,781.60 × 9,661,617.60 - Step 4: Simplify right side
16,389,412.80x = 237,702,667,715,516.16 - Step 5: Solve for x
x = 237,702,667,715,516.16/16,389,412.80 - Step 6: Final answer
x = 14,503,427.95
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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.