Finding the Fourth Proportional to 11,719,266.68, 16,178,195.28 and 7,805,536.04
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Solution
The fourth proportional to 11,719,266.68, 16,178,195.28 and 7,805,536.04 is: 10,775,374.41
Step by Step Solution
- Step 1: Write the proportion equation
11,719,266.68 : 16,178,195.28 = 7,805,536.04 : x - Step 2: Convert to fraction form
11,719,266.68/16,178,195.28 = 7,805,536.04/x - Step 3: Cross multiply
11,719,266.68x = 16,178,195.28 × 7,805,536.04 - Step 4: Simplify right side
11,719,266.68x = 126,279,486,320,197.89 - Step 5: Solve for x
x = 126,279,486,320,197.89/11,719,266.68 - Step 6: Final answer
x = 10,775,374.41
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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.