Finding the Fourth Proportional to 10,366,356.70, 15,549,535.05 and 3,635,451.10
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Solution
The fourth proportional to 10,366,356.70, 15,549,535.05 and 3,635,451.10 is: 5,453,176.65
Step by Step Solution
- Step 1: Write the proportion equation
10,366,356.70 : 15,549,535.05 = 3,635,451.10 : x - Step 2: Convert to fraction form
10,366,356.70/15,549,535.05 = 3,635,451.10/x - Step 3: Cross multiply
10,366,356.70x = 15,549,535.05 × 3,635,451.10 - Step 4: Simplify right side
10,366,356.70x = 56,529,574,302,011.06 - Step 5: Solve for x
x = 56,529,574,302,011.06/10,366,356.70 - Step 6: Final answer
x = 5,453,176.65
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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.