Finding the Fourth Proportional to 7,527,985.84, 11,285,630.99 and 3,264,943.28
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Solution
The fourth proportional to 7,527,985.84, 11,285,630.99 and 3,264,943.28 is: 4,894,661.85
Step by Step Solution
- Step 1: Write the proportion equation
7,527,985.84 : 11,285,630.99 = 3,264,943.28 : x - Step 2: Convert to fraction form
7,527,985.84/11,285,630.99 = 3,264,943.28/x - Step 3: Cross multiply
7,527,985.84x = 11,285,630.99 × 3,264,943.28 - Step 4: Simplify right side
7,527,985.84x = 36,846,945,073,249.61 - Step 5: Solve for x
x = 36,846,945,073,249.61/7,527,985.84 - Step 6: Final answer
x = 4,894,661.85
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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.