Finding the Fourth Proportional to 8,684,787.24, 11,986,443.81 and 4,818,553.97
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Solution
The fourth proportional to 8,684,787.24, 11,986,443.81 and 4,818,553.97 is: 6,650,401.99
Step by Step Solution
- Step 1: Write the proportion equation
8,684,787.24 : 11,986,443.81 = 4,818,553.97 : x - Step 2: Convert to fraction form
8,684,787.24/11,986,443.81 = 4,818,553.97/x - Step 3: Cross multiply
8,684,787.24x = 11,986,443.81 × 4,818,553.97 - Step 4: Simplify right side
8,684,787.24x = 57,757,326,346,925.21 - Step 5: Solve for x
x = 57,757,326,346,925.21/8,684,787.24 - Step 6: Final answer
x = 6,650,401.99
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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.