Finding the Fourth Proportional to 19,668,327.36, 27,080,526.96 and 16,722,350.88
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Solution
The fourth proportional to 19,668,327.36, 27,080,526.96 and 16,722,350.88 is: 23,024,330.72
Step by Step Solution
- Step 1: Write the proportion equation
19,668,327.36 : 27,080,526.96 = 16,722,350.88 : x - Step 2: Convert to fraction form
19,668,327.36/27,080,526.96 = 16,722,350.88/x - Step 3: Cross multiply
19,668,327.36x = 27,080,526.96 × 16,722,350.88 - Step 4: Simplify right side
19,668,327.36x = 452,850,073,840,419.75 - Step 5: Solve for x
x = 452,850,073,840,419.75/19,668,327.36 - Step 6: Final answer
x = 23,024,330.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.