Finding the Fourth Proportional to 15,378,676.68, 23,069,392.78 and 4,448,694.60
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Solution
The fourth proportional to 15,378,676.68, 23,069,392.78 and 4,448,694.60 is: 6,673,440.45
Step by Step Solution
- Step 1: Write the proportion equation
15,378,676.68 : 23,069,392.78 = 4,448,694.60 : x - Step 2: Convert to fraction form
15,378,676.68/23,069,392.78 = 4,448,694.60/x - Step 3: Cross multiply
15,378,676.68x = 23,069,392.78 × 4,448,694.60 - Step 4: Simplify right side
15,378,676.68x = 102,628,683,085,664.98 - Step 5: Solve for x
x = 102,628,683,085,664.98/15,378,676.68 - Step 6: Final answer
x = 6,673,440.45
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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.