Finding the Fourth Proportional to 8,315,283.24, 12,472,955.51 and 2,557,976.99
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Solution
The fourth proportional to 8,315,283.24, 12,472,955.51 and 2,557,976.99 is: 3,836,974.90
Step by Step Solution
- Step 1: Write the proportion equation
8,315,283.24 : 12,472,955.51 = 2,557,976.99 : x - Step 2: Convert to fraction form
8,315,283.24/12,472,955.51 = 2,557,976.99/x - Step 3: Cross multiply
8,315,283.24x = 12,472,955.51 × 2,557,976.99 - Step 4: Simplify right side
8,315,283.24x = 31,905,533,116,719.05 - Step 5: Solve for x
x = 31,905,533,116,719.05/8,315,283.24 - Step 6: Final answer
x = 3,836,974.90
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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.