Finding the Fourth Proportional to 18,444,417.81, 27,676,201.47 and 7,522,620.09
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Solution
The fourth proportional to 18,444,417.81, 27,676,201.47 and 7,522,620.09 is: 11,287,835.23
Step by Step Solution
- Step 1: Write the proportion equation
18,444,417.81 : 27,676,201.47 = 7,522,620.09 : x - Step 2: Convert to fraction form
18,444,417.81/27,676,201.47 = 7,522,620.09/x - Step 3: Cross multiply
18,444,417.81x = 27,676,201.47 × 7,522,620.09 - Step 4: Simplify right side
18,444,417.81x = 208,197,549,193,109.53 - Step 5: Solve for x
x = 208,197,549,193,109.53/18,444,417.81 - Step 6: Final answer
x = 11,287,835.23
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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.