Finding the Fourth Proportional to 54,218,627.28, 74,823,005.70 and 29,439,858.42
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Solution
The fourth proportional to 54,218,627.28, 74,823,005.70 and 29,439,858.42 is: 40,627,710.53
Step by Step Solution
- Step 1: Write the proportion equation
54,218,627.28 : 74,823,005.70 = 29,439,858.42 : x - Step 2: Convert to fraction form
54,218,627.28/74,823,005.70 = 29,439,858.42/x - Step 3: Cross multiply
54,218,627.28x = 74,823,005.70 × 29,439,858.42 - Step 4: Simplify right side
54,218,627.28x = 2,202,778,694,366,853.25 - Step 5: Solve for x
x = 2,202,778,694,366,853.25/54,218,627.28 - Step 6: Final answer
x = 40,627,710.53
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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.