Finding the Fourth Proportional to 32,256,912.40, 48,385,368.60 and 19,491,830.80
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Solution
The fourth proportional to 32,256,912.40, 48,385,368.60 and 19,491,830.80 is: 29,237,746.20
Step by Step Solution
- Step 1: Write the proportion equation
32,256,912.40 : 48,385,368.60 = 19,491,830.80 : x - Step 2: Convert to fraction form
32,256,912.40/48,385,368.60 = 19,491,830.80/x - Step 3: Cross multiply
32,256,912.40x = 48,385,368.60 × 19,491,830.80 - Step 4: Simplify right side
32,256,912.40x = 943,119,417,946,833 - Step 5: Solve for x
x = 943,119,417,946,833/32,256,912.40 - Step 6: Final answer
x = 29,237,746.20
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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.