Finding the Fourth Proportional to 32,072,136.12, 44,258,970.78 and 18,133,251.48
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Solution
The fourth proportional to 32,072,136.12, 44,258,970.78 and 18,133,251.48 is: 25,023,560.78
Step by Step Solution
- Step 1: Write the proportion equation
32,072,136.12 : 44,258,970.78 = 18,133,251.48 : x - Step 2: Convert to fraction form
32,072,136.12/44,258,970.78 = 18,133,251.48/x - Step 3: Cross multiply
32,072,136.12x = 44,258,970.78 × 18,133,251.48 - Step 4: Simplify right side
32,072,136.12x = 802,559,047,399,711.75 - Step 5: Solve for x
x = 802,559,047,399,711.75/32,072,136.12 - Step 6: Final answer
x = 25,023,560.78
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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.