Finding the Fourth Proportional to 14,375,078.28, 19,837,341.99 and 8,179,987.68
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Solution
The fourth proportional to 14,375,078.28, 19,837,341.99 and 8,179,987.68 is: 11,288,231.61
Step by Step Solution
- Step 1: Write the proportion equation
14,375,078.28 : 19,837,341.99 = 8,179,987.68 : x - Step 2: Convert to fraction form
14,375,078.28/19,837,341.99 = 8,179,987.68/x - Step 3: Cross multiply
14,375,078.28x = 19,837,341.99 × 8,179,987.68 - Step 4: Simplify right side
14,375,078.28x = 162,269,213,082,146.66 - Step 5: Solve for x
x = 162,269,213,082,146.66/14,375,078.28 - Step 6: Final answer
x = 11,288,231.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.