Finding the Fourth Proportional to 7,763,811.05, 10,716,486.08 and 5,010,503.80
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Solution
The fourth proportional to 7,763,811.05, 10,716,486.08 and 5,010,503.80 is: 6,916,061.44
Step by Step Solution
- Step 1: Write the proportion equation
7,763,811.05 : 10,716,486.08 = 5,010,503.80 : x - Step 2: Convert to fraction form
7,763,811.05/10,716,486.08 = 5,010,503.80/x - Step 3: Cross multiply
7,763,811.05x = 10,716,486.08 × 5,010,503.80 - Step 4: Simplify right side
7,763,811.05x = 53,694,994,226,487.10 - Step 5: Solve for x
x = 53,694,994,226,487.10/7,763,811.05 - Step 6: Final answer
x = 6,916,061.44
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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.