Finding the Fourth Proportional to 39,872,450.88, 55,024,006.32 and 21,537,744.48
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Solution
The fourth proportional to 39,872,450.88, 55,024,006.32 and 21,537,744.48 is: 29,722,100.40
Step by Step Solution
- Step 1: Write the proportion equation
39,872,450.88 : 55,024,006.32 = 21,537,744.48 : x - Step 2: Convert to fraction form
39,872,450.88/55,024,006.32 = 21,537,744.48/x - Step 3: Cross multiply
39,872,450.88x = 55,024,006.32 × 21,537,744.48 - Step 4: Simplify right side
39,872,450.88x = 1,185,092,988,386,065.25 - Step 5: Solve for x
x = 1,185,092,988,386,065.25/39,872,450.88 - Step 6: Final answer
x = 29,722,100.40
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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.