Finding the Fourth Proportional to 19,958,969.54, 27,543,217.53 and 11,587,116.13
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Solution
The fourth proportional to 19,958,969.54, 27,543,217.53 and 11,587,116.13 is: 15,990,127.12
Step by Step Solution
- Step 1: Write the proportion equation
19,958,969.54 : 27,543,217.53 = 11,587,116.13 : x - Step 2: Convert to fraction form
19,958,969.54/27,543,217.53 = 11,587,116.13/x - Step 3: Cross multiply
19,958,969.54x = 27,543,217.53 × 11,587,116.13 - Step 4: Simplify right side
19,958,969.54x = 319,146,460,113,961.81 - Step 5: Solve for x
x = 319,146,460,113,961.81/19,958,969.54 - Step 6: Final answer
x = 15,990,127.12
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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.