Finding the Fourth Proportional to 19,716,137.97, 29,577,569.67 and 8,790,292.05
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Solution
The fourth proportional to 19,716,137.97, 29,577,569.67 and 8,790,292.05 is: 13,186,937.32
Step by Step Solution
- Step 1: Write the proportion equation
19,716,137.97 : 29,577,569.67 = 8,790,292.05 : x - Step 2: Convert to fraction form
19,716,137.97/29,577,569.67 = 8,790,292.05/x - Step 3: Cross multiply
19,716,137.97x = 29,577,569.67 × 8,790,292.05 - Step 4: Simplify right side
19,716,137.97x = 259,995,475,528,522.16 - Step 5: Solve for x
x = 259,995,475,528,522.16/19,716,137.97 - Step 6: Final answer
x = 13,186,937.32
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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.