Finding the Fourth Proportional to 29,607,326.40, 44,485,639.20 and 18,829,790.40
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Solution
The fourth proportional to 29,607,326.40, 44,485,639.20 and 18,829,790.40 is: 28,292,161.56
Step by Step Solution
- Step 1: Write the proportion equation
29,607,326.40 : 44,485,639.20 = 18,829,790.40 : x - Step 2: Convert to fraction form
29,607,326.40/44,485,639.20 = 18,829,790.40/x - Step 3: Cross multiply
29,607,326.40x = 44,485,639.20 × 18,829,790.40 - Step 4: Simplify right side
29,607,326.40x = 837,655,261,946,023.62 - Step 5: Solve for x
x = 837,655,261,946,023.62/29,607,326.40 - Step 6: Final answer
x = 28,292,161.56
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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.