Finding the Fourth Proportional to 7,776,138.60, 11,664,207.90 and 4,752,829.80
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Solution
The fourth proportional to 7,776,138.60, 11,664,207.90 and 4,752,829.80 is: 7,129,244.70
Step by Step Solution
- Step 1: Write the proportion equation
7,776,138.60 : 11,664,207.90 = 4,752,829.80 : x - Step 2: Convert to fraction form
7,776,138.60/11,664,207.90 = 4,752,829.80/x - Step 3: Cross multiply
7,776,138.60x = 11,664,207.90 × 4,752,829.80 - Step 4: Simplify right side
7,776,138.60x = 55,437,994,900,515.42 - Step 5: Solve for x
x = 55,437,994,900,515.42/7,776,138.60 - Step 6: Final answer
x = 7,129,244.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.