Finding the Fourth Proportional to 15,127,268.80, 22,648,912.80 and 14,707,364.80
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Solution
The fourth proportional to 15,127,268.80, 22,648,912.80 and 14,707,364.80 is: 22,020,222.37
Step by Step Solution
- Step 1: Write the proportion equation
15,127,268.80 : 22,648,912.80 = 14,707,364.80 : x - Step 2: Convert to fraction form
15,127,268.80/22,648,912.80 = 14,707,364.80/x - Step 3: Cross multiply
15,127,268.80x = 22,648,912.80 × 14,707,364.80 - Step 4: Simplify right side
15,127,268.80x = 333,105,822,872,989.44 - Step 5: Solve for x
x = 333,105,822,872,989.44/15,127,268.80 - Step 6: Final answer
x = 22,020,222.37
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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.