Finding the Fourth Proportional to 29,305,455.16, 40,448,877.29 and 19,902,156.73
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Solution
The fourth proportional to 29,305,455.16, 40,448,877.29 and 19,902,156.73 is: 27,469,967.31
Step by Step Solution
- Step 1: Write the proportion equation
29,305,455.16 : 40,448,877.29 = 19,902,156.73 : x - Step 2: Convert to fraction form
29,305,455.16/40,448,877.29 = 19,902,156.73/x - Step 3: Cross multiply
29,305,455.16x = 40,448,877.29 × 19,902,156.73 - Step 4: Simplify right side
29,305,455.16x = 805,019,895,378,117.62 - Step 5: Solve for x
x = 805,019,895,378,117.62/29,305,455.16 - Step 6: Final answer
x = 27,469,967.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.