Finding the Fourth Proportional to 15,372,495, 21,212,205.96 and 8,496,042.12
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Solution
The fourth proportional to 15,372,495, 21,212,205.96 and 8,496,042.12 is: 11,723,522.78
Step by Step Solution
- Step 1: Write the proportion equation
15,372,495 : 21,212,205.96 = 8,496,042.12 : x - Step 2: Convert to fraction form
15,372,495/21,212,205.96 = 8,496,042.12/x - Step 3: Cross multiply
15,372,495x = 21,212,205.96 × 8,496,042.12 - Step 4: Simplify right side
15,372,495x = 180,219,795,294,275.03 - Step 5: Solve for x
x = 180,219,795,294,275.03/15,372,495 - Step 6: Final answer
x = 11,723,522.78
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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.