Finding the Fourth Proportional to 19,738,319.67, 27,237,053.15 and 10,917,581.11
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Solution
The fourth proportional to 19,738,319.67, 27,237,053.15 and 10,917,581.11 is: 15,065,250.84
Step by Step Solution
- Step 1: Write the proportion equation
19,738,319.67 : 27,237,053.15 = 10,917,581.11 : x - Step 2: Convert to fraction form
19,738,319.67/27,237,053.15 = 10,917,581.11/x - Step 3: Cross multiply
19,738,319.67x = 27,237,053.15 × 10,917,581.11 - Step 4: Simplify right side
19,738,319.67x = 297,362,736,962,505.94 - Step 5: Solve for x
x = 297,362,736,962,505.94/19,738,319.67 - Step 6: Final answer
x = 15,065,250.84
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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.