Finding the Fourth Proportional to 15,342,417.24, 21,172,492.32 and 8,466,850.08
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Solution
The fourth proportional to 15,342,417.24, 21,172,492.32 and 8,466,850.08 is: 11,684,229.12
Step by Step Solution
- Step 1: Write the proportion equation
15,342,417.24 : 21,172,492.32 = 8,466,850.08 : x - Step 2: Convert to fraction form
15,342,417.24/21,172,492.32 = 8,466,850.08/x - Step 3: Cross multiply
15,342,417.24x = 21,172,492.32 × 8,466,850.08 - Step 4: Simplify right side
15,342,417.24x = 179,264,318,293,391.38 - Step 5: Solve for x
x = 179,264,318,293,391.38/15,342,417.24 - Step 6: Final answer
x = 11,684,229.12
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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.