Finding the Fourth Proportional to 18,126,277.68, 27,189,150.30 and 4,479,423.75
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Solution
The fourth proportional to 18,126,277.68, 27,189,150.30 and 4,479,423.75 is: 6,719,069.84
Step by Step Solution
- Step 1: Write the proportion equation
18,126,277.68 : 27,189,150.30 = 4,479,423.75 : x - Step 2: Convert to fraction form
18,126,277.68/27,189,150.30 = 4,479,423.75/x - Step 3: Cross multiply
18,126,277.68x = 27,189,150.30 × 4,479,423.75 - Step 4: Simplify right side
18,126,277.68x = 121,791,725,596,139.62 - Step 5: Solve for x
x = 121,791,725,596,139.62/18,126,277.68 - Step 6: Final answer
x = 6,719,069.84
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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.