Finding the Fourth Proportional to 32,342,634.40, 48,513,951.60 and 13,187,138.80
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Solution
The fourth proportional to 32,342,634.40, 48,513,951.60 and 13,187,138.80 is: 19,780,708.20
Step by Step Solution
- Step 1: Write the proportion equation
32,342,634.40 : 48,513,951.60 = 13,187,138.80 : x - Step 2: Convert to fraction form
32,342,634.40/48,513,951.60 = 13,187,138.80/x - Step 3: Cross multiply
32,342,634.40x = 48,513,951.60 × 13,187,138.80 - Step 4: Simplify right side
32,342,634.40x = 639,760,213,485,682.12 - Step 5: Solve for x
x = 639,760,213,485,682.12/32,342,634.40 - Step 6: Final answer
x = 19,780,708.20
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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.