Finding the Fourth Proportional to 12,902,812.17, 19,354,194.95 and 3,811,294.46
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Solution
The fourth proportional to 12,902,812.17, 19,354,194.95 and 3,811,294.46 is: 5,716,934.80
Step by Step Solution
- Step 1: Write the proportion equation
12,902,812.17 : 19,354,194.95 = 3,811,294.46 : x - Step 2: Convert to fraction form
12,902,812.17/19,354,194.95 = 3,811,294.46/x - Step 3: Cross multiply
12,902,812.17x = 19,354,194.95 × 3,811,294.46 - Step 4: Simplify right side
12,902,812.17x = 73,764,535,874,867.53 - Step 5: Solve for x
x = 73,764,535,874,867.53/12,902,812.17 - Step 6: Final answer
x = 5,716,934.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.