Finding the Fourth Proportional to 7,908,211.44, 11,862,380.34 and 5,178,061.08
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Solution
The fourth proportional to 7,908,211.44, 11,862,380.34 and 5,178,061.08 is: 7,767,132.99
Step by Step Solution
- Step 1: Write the proportion equation
7,908,211.44 : 11,862,380.34 = 5,178,061.08 : x - Step 2: Convert to fraction form
7,908,211.44/11,862,380.34 = 5,178,061.08/x - Step 3: Cross multiply
7,908,211.44x = 11,862,380.34 × 5,178,061.08 - Step 4: Simplify right side
7,908,211.44x = 61,424,129,954,711.16 - Step 5: Solve for x
x = 61,424,129,954,711.16/7,908,211.44 - Step 6: Final answer
x = 7,767,132.99
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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.