Finding the Fourth Proportional to 11,472,812.46, 15,831,911.70 and 6,316,063.29
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Solution
The fourth proportional to 11,472,812.46, 15,831,911.70 and 6,316,063.29 is: 8,715,853.82
Step by Step Solution
- Step 1: Write the proportion equation
11,472,812.46 : 15,831,911.70 = 6,316,063.29 : x - Step 2: Convert to fraction form
11,472,812.46/15,831,911.70 = 6,316,063.29/x - Step 3: Cross multiply
11,472,812.46x = 15,831,911.70 × 6,316,063.29 - Step 4: Simplify right side
11,472,812.46x = 99,995,356,298,891.48 - Step 5: Solve for x
x = 99,995,356,298,891.48/11,472,812.46 - Step 6: Final answer
x = 8,715,853.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.