Finding the Fourth Proportional to 18,224,934.74, 25,156,738.48 and 10,493,058.68
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Solution
The fourth proportional to 18,224,934.74, 25,156,738.48 and 10,493,058.68 is: 14,484,064.65
Step by Step Solution
- Step 1: Write the proportion equation
18,224,934.74 : 25,156,738.48 = 10,493,058.68 : x - Step 2: Convert to fraction form
18,224,934.74/25,156,738.48 = 10,493,058.68/x - Step 3: Cross multiply
18,224,934.74x = 25,156,738.48 × 10,493,058.68 - Step 4: Simplify right side
18,224,934.74x = 263,971,133,068,054 - Step 5: Solve for x
x = 263,971,133,068,054/18,224,934.74 - Step 6: Final answer
x = 14,484,064.65
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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.