Finding the Fourth Proportional to 14,776,340.13, 20,390,492.61 and 8,250,382.76
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Solution
The fourth proportional to 14,776,340.13, 20,390,492.61 and 8,250,382.76 is: 11,385,049.82
Step by Step Solution
- Step 1: Write the proportion equation
14,776,340.13 : 20,390,492.61 = 8,250,382.76 : x - Step 2: Convert to fraction form
14,776,340.13/20,390,492.61 = 8,250,382.76/x - Step 3: Cross multiply
14,776,340.13x = 20,390,492.61 × 8,250,382.76 - Step 4: Simplify right side
14,776,340.13x = 168,229,368,595,498.94 - Step 5: Solve for x
x = 168,229,368,595,498.94/14,776,340.13 - Step 6: Final answer
x = 11,385,049.82
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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.