Finding the Fourth Proportional to 12,565,166.32, 18,848,704.20 and 4,885,511.68
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Solution
The fourth proportional to 12,565,166.32, 18,848,704.20 and 4,885,511.68 is: 7,328,638.73
Step by Step Solution
- Step 1: Write the proportion equation
12,565,166.32 : 18,848,704.20 = 4,885,511.68 : x - Step 2: Convert to fraction form
12,565,166.32/18,848,704.20 = 4,885,511.68/x - Step 3: Cross multiply
12,565,166.32x = 18,848,704.20 × 4,885,511.68 - Step 4: Simplify right side
12,565,166.32x = 92,085,564,521,965.05 - Step 5: Solve for x
x = 92,085,564,521,965.05/12,565,166.32 - Step 6: Final answer
x = 7,328,638.73
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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.