Finding the Fourth Proportional to 8,682,772.32, 13,026,705.12 and 3,889,395.36
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Solution
The fourth proportional to 8,682,772.32, 13,026,705.12 and 3,889,395.36 is: 5,835,233.79
Step by Step Solution
- Step 1: Write the proportion equation
8,682,772.32 : 13,026,705.12 = 3,889,395.36 : x - Step 2: Convert to fraction form
8,682,772.32/13,026,705.12 = 3,889,395.36/x - Step 3: Cross multiply
8,682,772.32x = 13,026,705.12 × 3,889,395.36 - Step 4: Simplify right side
8,682,772.32x = 50,666,006,449,816.24 - Step 5: Solve for x
x = 50,666,006,449,816.24/8,682,772.32 - Step 6: Final answer
x = 5,835,233.79
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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.