Finding the Fourth Proportional to 18,244,847.60, 27,363,772.20 and 5,465,769.20
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Solution
The fourth proportional to 18,244,847.60, 27,363,772.20 and 5,465,769.20 is: 8,197,605.51
Step by Step Solution
- Step 1: Write the proportion equation
18,244,847.60 : 27,363,772.20 = 5,465,769.20 : x - Step 2: Convert to fraction form
18,244,847.60/27,363,772.20 = 5,465,769.20/x - Step 3: Cross multiply
18,244,847.60x = 27,363,772.20 × 5,465,769.20 - Step 4: Simplify right side
18,244,847.60x = 149,564,063,286,576.25 - Step 5: Solve for x
x = 149,564,063,286,576.25/18,244,847.60 - Step 6: Final answer
x = 8,197,605.51
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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.