Finding the Fourth Proportional to 29,973,686.29, 41,364,690.07 and 18,369,008.66
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Solution
The fourth proportional to 29,973,686.29, 41,364,690.07 and 18,369,008.66 is: 25,349,846.63
Step by Step Solution
- Step 1: Write the proportion equation
29,973,686.29 : 41,364,690.07 = 18,369,008.66 : x - Step 2: Convert to fraction form
29,973,686.29/41,364,690.07 = 18,369,008.66/x - Step 3: Cross multiply
29,973,686.29x = 41,364,690.07 × 18,369,008.66 - Step 4: Simplify right side
29,973,686.29x = 759,828,350,338,047.38 - Step 5: Solve for x
x = 759,828,350,338,047.38/29,973,686.29 - Step 6: Final answer
x = 25,349,846.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.