Finding the Fourth Proportional to 18,374,219.10, 27,561,328.65 and 9,416,267.10
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Solution
The fourth proportional to 18,374,219.10, 27,561,328.65 and 9,416,267.10 is: 14,124,400.65
Step by Step Solution
- Step 1: Write the proportion equation
18,374,219.10 : 27,561,328.65 = 9,416,267.10 : x - Step 2: Convert to fraction form
18,374,219.10/27,561,328.65 = 9,416,267.10/x - Step 3: Cross multiply
18,374,219.10x = 27,561,328.65 × 9,416,267.10 - Step 4: Simplify right side
18,374,219.10x = 259,524,832,199,282.41 - Step 5: Solve for x
x = 259,524,832,199,282.41/18,374,219.10 - Step 6: Final answer
x = 14,124,400.65
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Double scale
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Similar ratio
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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.