Finding the Fourth Proportional to 51,990,361.02, 71,748,940.18 and 28,785,487.98
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Solution
The fourth proportional to 51,990,361.02, 71,748,940.18 and 28,785,487.98 is: 39,725,214.72
Step by Step Solution
- Step 1: Write the proportion equation
51,990,361.02 : 71,748,940.18 = 28,785,487.98 : x - Step 2: Convert to fraction form
51,990,361.02/71,748,940.18 = 28,785,487.98/x - Step 3: Cross multiply
51,990,361.02x = 71,748,940.18 × 28,785,487.98 - Step 4: Simplify right side
51,990,361.02x = 2,065,328,255,129,129.25 - Step 5: Solve for x
x = 2,065,328,255,129,129.25/51,990,361.02 - Step 6: Final answer
x = 39,725,214.72
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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.