Finding the Fourth Proportional to 8,712,596.96, 13,057,119.63 and 3,318,304.73
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Solution
The fourth proportional to 8,712,596.96, 13,057,119.63 and 3,318,304.73 is: 4,972,972.12
Step by Step Solution
- Step 1: Write the proportion equation
8,712,596.96 : 13,057,119.63 = 3,318,304.73 : x - Step 2: Convert to fraction form
8,712,596.96/13,057,119.63 = 3,318,304.73/x - Step 3: Cross multiply
8,712,596.96x = 13,057,119.63 × 3,318,304.73 - Step 4: Simplify right side
8,712,596.96x = 43,327,501,763,119.26 - Step 5: Solve for x
x = 43,327,501,763,119.26/8,712,596.96 - Step 6: Final answer
x = 4,972,972.12
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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.