Finding the Fourth Proportional to 19,683,816.70, 27,165,207.72 and 10,865,019.08
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Solution
The fourth proportional to 19,683,816.70, 27,165,207.72 and 10,865,019.08 is: 14,994,576.74
Step by Step Solution
- Step 1: Write the proportion equation
19,683,816.70 : 27,165,207.72 = 10,865,019.08 : x - Step 2: Convert to fraction form
19,683,816.70/27,165,207.72 = 10,865,019.08/x - Step 3: Cross multiply
19,683,816.70x = 27,165,207.72 × 10,865,019.08 - Step 4: Simplify right side
19,683,816.70x = 295,150,500,135,638.19 - Step 5: Solve for x
x = 295,150,500,135,638.19/19,683,816.70 - Step 6: Final answer
x = 14,994,576.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.