Finding the Fourth Proportional to 18,614,855.04, 27,922,748.96 and 5,151,799.68
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Solution
The fourth proportional to 18,614,855.04, 27,922,748.96 and 5,151,799.68 is: 7,727,828.60
Step by Step Solution
- Step 1: Write the proportion equation
18,614,855.04 : 27,922,748.96 = 5,151,799.68 : x - Step 2: Convert to fraction form
18,614,855.04/27,922,748.96 = 5,151,799.68/x - Step 3: Cross multiply
18,614,855.04x = 27,922,748.96 × 5,151,799.68 - Step 4: Simplify right side
18,614,855.04x = 143,852,409,156,848.34 - Step 5: Solve for x
x = 143,852,409,156,848.34/18,614,855.04 - Step 6: Final answer
x = 7,727,828.60
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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.