Finding the Fourth Proportional to 27,157,325.68, 37,477,819.70 and 14,768,143.66
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Solution
The fourth proportional to 27,157,325.68, 37,477,819.70 and 14,768,143.66 is: 20,380,424.49
Step by Step Solution
- Step 1: Write the proportion equation
27,157,325.68 : 37,477,819.70 = 14,768,143.66 : x - Step 2: Convert to fraction form
27,157,325.68/37,477,819.70 = 14,768,143.66/x - Step 3: Cross multiply
27,157,325.68x = 37,477,819.70 × 14,768,143.66 - Step 4: Simplify right side
27,157,325.68x = 553,477,825,393,178.12 - Step 5: Solve for x
x = 553,477,825,393,178.12/27,157,325.68 - Step 6: Final answer
x = 20,380,424.49
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1.5x scale
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.