Finding the Fourth Proportional to 11,161,211.07, 15,404,154.30 and 6,812,818.14
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Solution
The fourth proportional to 11,161,211.07, 15,404,154.30 and 6,812,818.14 is: 9,402,716.35
Step by Step Solution
- Step 1: Write the proportion equation
11,161,211.07 : 15,404,154.30 = 6,812,818.14 : x - Step 2: Convert to fraction form
11,161,211.07/15,404,154.30 = 6,812,818.14/x - Step 3: Cross multiply
11,161,211.07x = 15,404,154.30 × 6,812,818.14 - Step 4: Simplify right side
11,161,211.07x = 104,945,701,846,399 - Step 5: Solve for x
x = 104,945,701,846,399/11,161,211.07 - Step 6: Final answer
x = 9,402,716.35
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1.5x scale
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.