Finding the Fourth Proportional to 13,105,728.70, 19,667,450.40 and 4,586,138.98
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Solution
The fourth proportional to 13,105,728.70, 19,667,450.40 and 4,586,138.98 is: 6,882,307.96
Step by Step Solution
- Step 1: Write the proportion equation
13,105,728.70 : 19,667,450.40 = 4,586,138.98 : x - Step 2: Convert to fraction form
13,105,728.70/19,667,450.40 = 4,586,138.98/x - Step 3: Cross multiply
13,105,728.70x = 19,667,450.40 × 4,586,138.98 - Step 4: Simplify right side
13,105,728.70x = 90,197,660,916,656.59 - Step 5: Solve for x
x = 90,197,660,916,656.59/13,105,728.70 - Step 6: Final answer
x = 6,882,307.96
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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.