Finding the Fourth Proportional to 19,503,715.80, 26,912,817.66 and 11,246,492.31
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Solution
The fourth proportional to 19,503,715.80, 26,912,817.66 and 11,246,492.31 is: 15,518,827.28
Step by Step Solution
- Step 1: Write the proportion equation
19,503,715.80 : 26,912,817.66 = 11,246,492.31 : x - Step 2: Convert to fraction form
19,503,715.80/26,912,817.66 = 11,246,492.31/x - Step 3: Cross multiply
19,503,715.80x = 26,912,817.66 × 11,246,492.31 - Step 4: Simplify right side
19,503,715.80x = 302,674,796,853,622.19 - Step 5: Solve for x
x = 302,674,796,853,622.19/19,503,715.80 - Step 6: Final answer
x = 15,518,827.28
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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.