Finding the Fourth Proportional to 19,622,107.80, 29,433,161.70 and 12,063,835.80
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Solution
The fourth proportional to 19,622,107.80, 29,433,161.70 and 12,063,835.80 is: 18,095,753.70
Step by Step Solution
- Step 1: Write the proportion equation
19,622,107.80 : 29,433,161.70 = 12,063,835.80 : x - Step 2: Convert to fraction form
19,622,107.80/29,433,161.70 = 12,063,835.80/x - Step 3: Cross multiply
19,622,107.80x = 29,433,161.70 × 12,063,835.80 - Step 4: Simplify right side
19,622,107.80x = 355,076,829,823,648.88 - Step 5: Solve for x
x = 355,076,829,823,648.88/19,622,107.80 - Step 6: Final answer
x = 18,095,753.70
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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.