Finding the Fourth Proportional to 12,756,543.92, 19,136,743.32 and 4,117,757.84
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Solution
The fourth proportional to 12,756,543.92, 19,136,743.32 and 4,117,757.84 is: 6,177,258.93
Step by Step Solution
- Step 1: Write the proportion equation
12,756,543.92 : 19,136,743.32 = 4,117,757.84 : x - Step 2: Convert to fraction form
12,756,543.92/19,136,743.32 = 4,117,757.84/x - Step 3: Cross multiply
12,756,543.92x = 19,136,743.32 × 4,117,757.84 - Step 4: Simplify right side
12,756,543.92x = 78,800,474,837,997.62 - Step 5: Solve for x
x = 78,800,474,837,997.62/12,756,543.92 - Step 6: Final answer
x = 6,177,258.93
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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.