Finding the Fourth Proportional to 11,719,267.68, 16,178,196.66 and 7,805,537.04
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Solution
The fourth proportional to 11,719,267.68, 16,178,196.66 and 7,805,537.04 is: 10,775,375.79
Step by Step Solution
- Step 1: Write the proportion equation
11,719,267.68 : 16,178,196.66 = 7,805,537.04 : x - Step 2: Convert to fraction form
11,719,267.68/16,178,196.66 = 7,805,537.04/x - Step 3: Cross multiply
11,719,267.68x = 16,178,196.66 × 7,805,537.04 - Step 4: Simplify right side
11,719,267.68x = 126,279,513,270,034.28 - Step 5: Solve for x
x = 126,279,513,270,034.28/11,719,267.68 - Step 6: Final answer
x = 10,775,375.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.