Finding the Fourth Proportional to 6,444,893.28, 8,893,263.60 and 3,728,131.68
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Solution
The fourth proportional to 6,444,893.28, 8,893,263.60 and 3,728,131.68 is: 5,144,423.08
Step by Step Solution
- Step 1: Write the proportion equation
6,444,893.28 : 8,893,263.60 = 3,728,131.68 : x - Step 2: Convert to fraction form
6,444,893.28/8,893,263.60 = 3,728,131.68/x - Step 3: Cross multiply
6,444,893.28x = 8,893,263.60 × 3,728,131.68 - Step 4: Simplify right side
6,444,893.28x = 33,155,257,765,750.85 - Step 5: Solve for x
x = 33,155,257,765,750.85/6,444,893.28 - Step 6: Final answer
x = 5,144,423.08
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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.