Finding the Fourth Proportional to 18,569,729.70, 27,854,594.55 and 14,318,201.70
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Solution
The fourth proportional to 18,569,729.70, 27,854,594.55 and 14,318,201.70 is: 21,477,302.55
Step by Step Solution
- Step 1: Write the proportion equation
18,569,729.70 : 27,854,594.55 = 14,318,201.70 : x - Step 2: Convert to fraction form
18,569,729.70/27,854,594.55 = 14,318,201.70/x - Step 3: Cross multiply
18,569,729.70x = 27,854,594.55 × 14,318,201.70 - Step 4: Simplify right side
18,569,729.70x = 398,827,703,038,620.75 - Step 5: Solve for x
x = 398,827,703,038,620.75/18,569,729.70 - Step 6: Final answer
x = 21,477,302.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.