Finding the Fourth Proportional to 18,550,748.04, 27,828,030.42 and 6,420,189.66
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Solution
The fourth proportional to 18,550,748.04, 27,828,030.42 and 6,420,189.66 is: 9,630,944.95
Step by Step Solution
- Step 1: Write the proportion equation
18,550,748.04 : 27,828,030.42 = 6,420,189.66 : x - Step 2: Convert to fraction form
18,550,748.04/27,828,030.42 = 6,420,189.66/x - Step 3: Cross multiply
18,550,748.04x = 27,828,030.42 × 6,420,189.66 - Step 4: Simplify right side
18,550,748.04x = 178,661,233,160,649.47 - Step 5: Solve for x
x = 178,661,233,160,649.47/18,550,748.04 - Step 6: Final answer
x = 9,630,944.95
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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.