Finding the Fourth Proportional to 18,373,635.47, 25,358,031.39 and 10,536,214.79
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Solution
The fourth proportional to 18,373,635.47, 25,358,031.39 and 10,536,214.79 is: 14,541,360.95
Step by Step Solution
- Step 1: Write the proportion equation
18,373,635.47 : 25,358,031.39 = 10,536,214.79 : x - Step 2: Convert to fraction form
18,373,635.47/25,358,031.39 = 10,536,214.79/x - Step 3: Cross multiply
18,373,635.47x = 25,358,031.39 × 10,536,214.79 - Step 4: Simplify right side
18,373,635.47x = 267,177,665,376,602.25 - Step 5: Solve for x
x = 267,177,665,376,602.25/18,373,635.47 - Step 6: Final answer
x = 14,541,360.95
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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.