Finding the Fourth Proportional to 34,148,959.31, 47,125,704.87 and 18,467,983.47
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Solution
The fourth proportional to 34,148,959.31, 47,125,704.87 and 18,467,983.47 is: 25,485,893.45
Step by Step Solution
- Step 1: Write the proportion equation
34,148,959.31 : 47,125,704.87 = 18,467,983.47 : x - Step 2: Convert to fraction form
34,148,959.31/47,125,704.87 = 18,467,983.47/x - Step 3: Cross multiply
34,148,959.31x = 47,125,704.87 × 18,467,983.47 - Step 4: Simplify right side
34,148,959.31x = 870,316,738,337,635.88 - Step 5: Solve for x
x = 870,316,738,337,635.88/34,148,959.31 - Step 6: Final answer
x = 25,485,893.45
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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.