Finding the Fourth Proportional to 18,441,014.80, 27,653,227.80 and 7,077,686.80
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Solution
The fourth proportional to 18,441,014.80, 27,653,227.80 and 7,077,686.80 is: 10,613,346.80
Step by Step Solution
- Step 1: Write the proportion equation
18,441,014.80 : 27,653,227.80 = 7,077,686.80 : x - Step 2: Convert to fraction form
18,441,014.80/27,653,227.80 = 7,077,686.80/x - Step 3: Cross multiply
18,441,014.80x = 27,653,227.80 × 7,077,686.80 - Step 4: Simplify right side
18,441,014.80x = 195,720,885,377,453.03 - Step 5: Solve for x
x = 195,720,885,377,453.03/18,441,014.80 - Step 6: Final answer
x = 10,613,346.80
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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.