Finding the Fourth Proportional to 18,148,975.80, 27,223,463.70 and 14,789,743.80
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Solution
The fourth proportional to 18,148,975.80, 27,223,463.70 and 14,789,743.80 is: 22,184,615.70
Step by Step Solution
- Step 1: Write the proportion equation
18,148,975.80 : 27,223,463.70 = 14,789,743.80 : x - Step 2: Convert to fraction form
18,148,975.80/27,223,463.70 = 14,789,743.80/x - Step 3: Cross multiply
18,148,975.80x = 27,223,463.70 × 14,789,743.80 - Step 4: Simplify right side
18,148,975.80x = 402,628,053,471,600.06 - Step 5: Solve for x
x = 402,628,053,471,600.06/18,148,975.80 - Step 6: Final answer
x = 22,184,615.70
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1.5x scale
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.