Finding the Fourth Proportional to 19,631,913.98, 27,096,815.40 and 11,370,645.14
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Solution
The fourth proportional to 19,631,913.98, 27,096,815.40 and 11,370,645.14 is: 15,694,255.42
Step by Step Solution
- Step 1: Write the proportion equation
19,631,913.98 : 27,096,815.40 = 11,370,645.14 : x - Step 2: Convert to fraction form
19,631,913.98/27,096,815.40 = 11,370,645.14/x - Step 3: Cross multiply
19,631,913.98x = 27,096,815.40 × 11,370,645.14 - Step 4: Simplify right side
19,631,913.98x = 308,108,272,337,487.12 - Step 5: Solve for x
x = 308,108,272,337,487.12/19,631,913.98 - Step 6: Final answer
x = 15,694,255.42
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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.