Finding the Fourth Proportional to 20,067,696.20, 27,695,718.06 and 11,249,529.15
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Solution
The fourth proportional to 20,067,696.20, 27,695,718.06 and 11,249,529.15 is: 15,525,638.05
Step by Step Solution
- Step 1: Write the proportion equation
20,067,696.20 : 27,695,718.06 = 11,249,529.15 : x - Step 2: Convert to fraction form
20,067,696.20/27,695,718.06 = 11,249,529.15/x - Step 3: Cross multiply
20,067,696.20x = 27,695,718.06 × 11,249,529.15 - Step 4: Simplify right side
20,067,696.20x = 311,563,787,646,151.44 - Step 5: Solve for x
x = 311,563,787,646,151.44/20,067,696.20 - Step 6: Final answer
x = 15,525,638.05
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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.