Finding the Fourth Proportional to 10,702,046.80, 16,053,070.20 and 6,875,671.60
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Solution
The fourth proportional to 10,702,046.80, 16,053,070.20 and 6,875,671.60 is: 10,313,507.40
Step by Step Solution
- Step 1: Write the proportion equation
10,702,046.80 : 16,053,070.20 = 6,875,671.60 : x - Step 2: Convert to fraction form
10,702,046.80/16,053,070.20 = 6,875,671.60/x - Step 3: Cross multiply
10,702,046.80x = 16,053,070.20 × 6,875,671.60 - Step 4: Simplify right side
10,702,046.80x = 110,375,638,866,946.31 - Step 5: Solve for x
x = 110,375,638,866,946.31/10,702,046.80 - Step 6: Final answer
x = 10,313,507.40
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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.