Finding the Fourth Proportional to 18,126,636.48, 27,189,955.80 and 6,159,372.48
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Solution
The fourth proportional to 18,126,636.48, 27,189,955.80 and 6,159,372.48 is: 9,239,059.09
Step by Step Solution
- Step 1: Write the proportion equation
18,126,636.48 : 27,189,955.80 = 6,159,372.48 : x - Step 2: Convert to fraction form
18,126,636.48/27,189,955.80 = 6,159,372.48/x - Step 3: Cross multiply
18,126,636.48x = 27,189,955.80 × 6,159,372.48 - Step 4: Simplify right side
18,126,636.48x = 167,473,065,486,936.41 - Step 5: Solve for x
x = 167,473,065,486,936.41/18,126,636.48 - Step 6: Final answer
x = 9,239,059.09
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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.