Finding the Fourth Proportional to 19,790,568.84, 27,310,965.96 and 11,088,803.85
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Solution
The fourth proportional to 19,790,568.84, 27,310,965.96 and 11,088,803.85 is: 15,302,538.65
Step by Step Solution
- Step 1: Write the proportion equation
19,790,568.84 : 27,310,965.96 = 11,088,803.85 : x - Step 2: Convert to fraction form
19,790,568.84/27,310,965.96 = 11,088,803.85/x - Step 3: Cross multiply
19,790,568.84x = 27,310,965.96 × 11,088,803.85 - Step 4: Simplify right side
19,790,568.84x = 302,845,944,484,466.94 - Step 5: Solve for x
x = 302,845,944,484,466.94/19,790,568.84 - Step 6: Final answer
x = 15,302,538.65
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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.