Finding the Fourth Proportional to 8,992,376.93, 12,408,729.95 and 5,071,916.99
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Solution
The fourth proportional to 8,992,376.93, 12,408,729.95 and 5,071,916.99 is: 6,998,822.30
Step by Step Solution
- Step 1: Write the proportion equation
8,992,376.93 : 12,408,729.95 = 5,071,916.99 : x - Step 2: Convert to fraction form
8,992,376.93/12,408,729.95 = 5,071,916.99/x - Step 3: Cross multiply
8,992,376.93x = 12,408,729.95 × 5,071,916.99 - Step 4: Simplify right side
8,992,376.93x = 62,936,048,170,323.62 - Step 5: Solve for x
x = 62,936,048,170,323.62/8,992,376.93 - Step 6: Final answer
x = 6,998,822.30
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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.