Finding the Fourth Proportional to 20,829,006, 31,248,497.28 and 8,691,717.74
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Solution
The fourth proportional to 20,829,006, 31,248,497.28 and 8,691,717.74 is: 13,039,658.17
Step by Step Solution
- Step 1: Write the proportion equation
20,829,006 : 31,248,497.28 = 8,691,717.74 : x - Step 2: Convert to fraction form
20,829,006/31,248,497.28 = 8,691,717.74/x - Step 3: Cross multiply
20,829,006x = 31,248,497.28 × 8,691,717.74 - Step 4: Simplify right side
20,829,006x = 271,603,118,156,917.75 - Step 5: Solve for x
x = 271,603,118,156,917.75/20,829,006 - Step 6: Final answer
x = 13,039,658.17
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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.