Finding the Fourth Proportional to 10,688,469.74, 14,762,346.48 and 7,033,702.28
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Solution
The fourth proportional to 10,688,469.74, 14,762,346.48 and 7,033,702.28 is: 9,714,575.86
Step by Step Solution
- Step 1: Write the proportion equation
10,688,469.74 : 14,762,346.48 = 7,033,702.28 : x - Step 2: Convert to fraction form
10,688,469.74/14,762,346.48 = 7,033,702.28/x - Step 3: Cross multiply
10,688,469.74x = 14,762,346.48 × 7,033,702.28 - Step 4: Simplify right side
10,688,469.74x = 103,833,950,093,863.05 - Step 5: Solve for x
x = 103,833,950,093,863.05/10,688,469.74 - Step 6: Final answer
x = 9,714,575.86
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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.