Finding the Fourth Proportional to 7,658,914.40, 11,472,625.20 and 5,265,461.60
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Solution
The fourth proportional to 7,658,914.40, 11,472,625.20 and 5,265,461.60 is: 7,887,366.84
Step by Step Solution
- Step 1: Write the proportion equation
7,658,914.40 : 11,472,625.20 = 5,265,461.60 : x - Step 2: Convert to fraction form
7,658,914.40/11,472,625.20 = 5,265,461.60/x - Step 3: Cross multiply
7,658,914.40x = 11,472,625.20 × 5,265,461.60 - Step 4: Simplify right side
7,658,914.40x = 60,408,667,441,792.31 - Step 5: Solve for x
x = 60,408,667,441,792.31/7,658,914.40 - Step 6: Final answer
x = 7,887,366.84
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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.