Finding the Fourth Proportional to 11,636,857.20, 17,447,170.68 and 5,156,407.92
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Solution
The fourth proportional to 11,636,857.20, 17,447,170.68 and 5,156,407.92 is: 7,731,015.99
Step by Step Solution
- Step 1: Write the proportion equation
11,636,857.20 : 17,447,170.68 = 5,156,407.92 : x - Step 2: Convert to fraction form
11,636,857.20/17,447,170.68 = 5,156,407.92/x - Step 3: Cross multiply
11,636,857.20x = 17,447,170.68 × 5,156,407.92 - Step 4: Simplify right side
11,636,857.20x = 89,964,729,075,943.78 - Step 5: Solve for x
x = 89,964,729,075,943.78/11,636,857.20 - Step 6: Final answer
x = 7,731,015.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.