Finding the Fourth Proportional to 32,367,528.70, 48,551,293.05 and 13,187,830.30
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Solution
The fourth proportional to 32,367,528.70, 48,551,293.05 and 13,187,830.30 is: 19,781,745.45
Step by Step Solution
- Step 1: Write the proportion equation
32,367,528.70 : 48,551,293.05 = 13,187,830.30 : x - Step 2: Convert to fraction form
32,367,528.70/48,551,293.05 = 13,187,830.30/x - Step 3: Cross multiply
32,367,528.70x = 48,551,293.05 × 13,187,830.30 - Step 4: Simplify right side
32,367,528.70x = 640,286,213,588,969.38 - Step 5: Solve for x
x = 640,286,213,588,969.38/32,367,528.70 - Step 6: Final answer
x = 19,781,745.45
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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.