Finding the Fourth Proportional to 11,511,264.68, 15,885,128.94 and 6,354,515.52
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Solution
The fourth proportional to 11,511,264.68, 15,885,128.94 and 6,354,515.52 is: 8,769,001.60
Step by Step Solution
- Step 1: Write the proportion equation
11,511,264.68 : 15,885,128.94 = 6,354,515.52 : x - Step 2: Convert to fraction form
11,511,264.68/15,885,128.94 = 6,354,515.52/x - Step 3: Cross multiply
11,511,264.68x = 15,885,128.94 × 6,354,515.52 - Step 4: Simplify right side
11,511,264.68x = 100,942,298,386,431.14 - Step 5: Solve for x
x = 100,942,298,386,431.14/11,511,264.68 - Step 6: Final answer
x = 8,769,001.60
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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.