Finding the Fourth Proportional to 18,972,642.70, 26,182,241.40 and 10,270,808.92
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Solution
The fourth proportional to 18,972,642.70, 26,182,241.40 and 10,270,808.92 is: 14,173,713.32
Step by Step Solution
- Step 1: Write the proportion equation
18,972,642.70 : 26,182,241.40 = 10,270,808.92 : x - Step 2: Convert to fraction form
18,972,642.70/26,182,241.40 = 10,270,808.92/x - Step 3: Cross multiply
18,972,642.70x = 26,182,241.40 × 10,270,808.92 - Step 4: Simplify right side
18,972,642.70x = 268,912,798,489,773.22 - Step 5: Solve for x
x = 268,912,798,489,773.22/18,972,642.70 - Step 6: Final answer
x = 14,173,713.32
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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.