Finding the Fourth Proportional to 19,546,717.80, 29,320,076.70 and 16,381,691.40
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Solution
The fourth proportional to 19,546,717.80, 29,320,076.70 and 16,381,691.40 is: 24,572,537.10
Step by Step Solution
- Step 1: Write the proportion equation
19,546,717.80 : 29,320,076.70 = 16,381,691.40 : x - Step 2: Convert to fraction form
19,546,717.80/29,320,076.70 = 16,381,691.40/x - Step 3: Cross multiply
19,546,717.80x = 29,320,076.70 × 16,381,691.40 - Step 4: Simplify right side
19,546,717.80x = 480,312,448,323,730.38 - Step 5: Solve for x
x = 480,312,448,323,730.38/19,546,717.80 - Step 6: Final answer
x = 24,572,537.10
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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.