Finding the Fourth Proportional to 8,518,586.62, 11,754,262.98 and 5,033,440.80
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Solution
The fourth proportional to 8,518,586.62, 11,754,262.98 and 5,033,440.80 is: 6,945,329.02
Step by Step Solution
- Step 1: Write the proportion equation
8,518,586.62 : 11,754,262.98 = 5,033,440.80 : x - Step 2: Convert to fraction form
8,518,586.62/11,754,262.98 = 5,033,440.80/x - Step 3: Cross multiply
8,518,586.62x = 11,754,262.98 × 5,033,440.80 - Step 4: Simplify right side
8,518,586.62x = 59,164,386,857,461.59 - Step 5: Solve for x
x = 59,164,386,857,461.59/8,518,586.62 - Step 6: Final answer
x = 6,945,329.02
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1.5x scale
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.