Finding the Fourth Proportional to 18,608,220.27, 27,914,080.65 and 5,477,646.75
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Solution
The fourth proportional to 18,608,220.27, 27,914,080.65 and 5,477,646.75 is: 8,216,985.34
Step by Step Solution
- Step 1: Write the proportion equation
18,608,220.27 : 27,914,080.65 = 5,477,646.75 : x - Step 2: Convert to fraction form
18,608,220.27/27,914,080.65 = 5,477,646.75/x - Step 3: Cross multiply
18,608,220.27x = 27,914,080.65 × 5,477,646.75 - Step 4: Simplify right side
18,608,220.27x = 152,903,473,151,710.38 - Step 5: Solve for x
x = 152,903,473,151,710.38/18,608,220.27 - Step 6: Final answer
x = 8,216,985.34
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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.