Finding the Fourth Proportional to 10,368,070.70, 15,552,106.05 and 10,305,085.10
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Solution
The fourth proportional to 10,368,070.70, 15,552,106.05 and 10,305,085.10 is: 15,457,627.65
Step by Step Solution
- Step 1: Write the proportion equation
10,368,070.70 : 15,552,106.05 = 10,305,085.10 : x - Step 2: Convert to fraction form
10,368,070.70/15,552,106.05 = 10,305,085.10/x - Step 3: Cross multiply
10,368,070.70x = 15,552,106.05 × 10,305,085.10 - Step 4: Simplify right side
10,368,070.70x = 160,265,776,329,474.84 - Step 5: Solve for x
x = 160,265,776,329,474.84/10,368,070.70 - Step 6: Final answer
x = 15,457,627.65
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Double scale
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Similar ratio
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1.5x scale
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.