Finding the Fourth Proportional to 18,324,164.16, 27,486,246.24 and 6,961,924.80
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Solution
The fourth proportional to 18,324,164.16, 27,486,246.24 and 6,961,924.80 is: 10,442,887.20
Step by Step Solution
- Step 1: Write the proportion equation
18,324,164.16 : 27,486,246.24 = 6,961,924.80 : x - Step 2: Convert to fraction form
18,324,164.16/27,486,246.24 = 6,961,924.80/x - Step 3: Cross multiply
18,324,164.16x = 27,486,246.24 × 6,961,924.80 - Step 4: Simplify right side
18,324,164.16x = 191,357,179,357,162.75 - Step 5: Solve for x
x = 191,357,179,357,162.75/18,324,164.16 - Step 6: Final answer
x = 10,442,887.20
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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.