Finding the Fourth Proportional to 18,374,975.84, 27,566,616.18 and 6,078,910.28
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Solution
The fourth proportional to 18,374,975.84, 27,566,616.18 and 6,078,910.28 is: 9,119,739.15
Step by Step Solution
- Step 1: Write the proportion equation
18,374,975.84 : 27,566,616.18 = 6,078,910.28 : x - Step 2: Convert to fraction form
18,374,975.84/27,566,616.18 = 6,078,910.28/x - Step 3: Cross multiply
18,374,975.84x = 27,566,616.18 × 6,078,910.28 - Step 4: Simplify right side
18,374,975.84x = 167,574,986,481,416.34 - Step 5: Solve for x
x = 167,574,986,481,416.34/18,374,975.84 - Step 6: Final answer
x = 9,119,739.15
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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.