Finding the Fourth Proportional to 8,656,971.84, 11,950,447.68 and 5,173,539.84
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Solution
The fourth proportional to 8,656,971.84, 11,950,447.68 and 5,173,539.84 is: 7,141,771.78
Step by Step Solution
- Step 1: Write the proportion equation
8,656,971.84 : 11,950,447.68 = 5,173,539.84 : x - Step 2: Convert to fraction form
8,656,971.84/11,950,447.68 = 5,173,539.84/x - Step 3: Cross multiply
8,656,971.84x = 11,950,447.68 × 5,173,539.84 - Step 4: Simplify right side
8,656,971.84x = 61,826,117,178,315.57 - Step 5: Solve for x
x = 61,826,117,178,315.57/8,656,971.84 - Step 6: Final answer
x = 7,141,771.78
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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.