Finding the Fourth Proportional to 51,896,407.86, 71,618,537.88 and 28,693,032.84
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Solution
The fourth proportional to 51,896,407.86, 71,618,537.88 and 28,693,032.84 is: 39,597,211.91
Step by Step Solution
- Step 1: Write the proportion equation
51,896,407.86 : 71,618,537.88 = 28,693,032.84 : x - Step 2: Convert to fraction form
51,896,407.86/71,618,537.88 = 28,693,032.84/x - Step 3: Cross multiply
51,896,407.86x = 71,618,537.88 × 28,693,032.84 - Step 4: Simplify right side
51,896,407.86x = 2,054,953,059,343,623.75 - Step 5: Solve for x
x = 2,054,953,059,343,623.75/51,896,407.86 - Step 6: Final answer
x = 39,597,211.91
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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.