Finding the Fourth Proportional to 38,881,138.96, 53,657,600.79 and 22,361,274.73
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Solution
The fourth proportional to 38,881,138.96, 53,657,600.79 and 22,361,274.73 is: 30,859,496.01
Step by Step Solution
- Step 1: Write the proportion equation
38,881,138.96 : 53,657,600.79 = 22,361,274.73 : x - Step 2: Convert to fraction form
38,881,138.96/53,657,600.79 = 22,361,274.73/x - Step 3: Cross multiply
38,881,138.96x = 53,657,600.79 × 22,361,274.73 - Step 4: Simplify right side
38,881,138.96x = 1,199,852,352,617,855 - Step 5: Solve for x
x = 1,199,852,352,617,855/38,881,138.96 - Step 6: Final answer
x = 30,859,496.01
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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.