Finding the Fourth Proportional to 21,331,647.72, 29,437,654.68 and 12,041,173.08
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Solution
The fourth proportional to 21,331,647.72, 29,437,654.68 and 12,041,173.08 is: 16,616,808.03
Step by Step Solution
- Step 1: Write the proportion equation
21,331,647.72 : 29,437,654.68 = 12,041,173.08 : x - Step 2: Convert to fraction form
21,331,647.72/29,437,654.68 = 12,041,173.08/x - Step 3: Cross multiply
21,331,647.72x = 29,437,654.68 × 12,041,173.08 - Step 4: Simplify right side
21,331,647.72x = 354,463,895,071,152 - Step 5: Solve for x
x = 354,463,895,071,152/21,331,647.72 - Step 6: Final answer
x = 16,616,808.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.