Finding the Fourth Proportional to 19,561,634.32, 29,342,552.68 and 11,468,934.84
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Solution
The fourth proportional to 19,561,634.32, 29,342,552.68 and 11,468,934.84 is: 17,203,461.60
Step by Step Solution
- Step 1: Write the proportion equation
19,561,634.32 : 29,342,552.68 = 11,468,934.84 : x - Step 2: Convert to fraction form
19,561,634.32/29,342,552.68 = 11,468,934.84/x - Step 3: Cross multiply
19,561,634.32x = 29,342,552.68 × 11,468,934.84 - Step 4: Simplify right side
19,561,634.32x = 336,527,824,862,051.50 - Step 5: Solve for x
x = 336,527,824,862,051.50/19,561,634.32 - Step 6: Final answer
x = 17,203,461.60
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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.