Finding the Fourth Proportional to 11,922,815.12, 17,872,264.64 and 5,537,551.68
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Solution
The fourth proportional to 11,922,815.12, 17,872,264.64 and 5,537,551.68 is: 8,300,773.61
Step by Step Solution
- Step 1: Write the proportion equation
11,922,815.12 : 17,872,264.64 = 5,537,551.68 : x - Step 2: Convert to fraction form
11,922,815.12/17,872,264.64 = 5,537,551.68/x - Step 3: Cross multiply
11,922,815.12x = 17,872,264.64 × 5,537,551.68 - Step 4: Simplify right side
11,922,815.12x = 98,968,589,082,636.59 - Step 5: Solve for x
x = 98,968,589,082,636.59/11,922,815.12 - Step 6: Final answer
x = 8,300,773.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.