Finding the Fourth Proportional to 18,288,256.26, 27,428,887.91 and 9,187,832.14
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Solution
The fourth proportional to 18,288,256.26, 27,428,887.91 and 9,187,832.14 is: 13,779,991.61
Step by Step Solution
- Step 1: Write the proportion equation
18,288,256.26 : 27,428,887.91 = 9,187,832.14 : x - Step 2: Convert to fraction form
18,288,256.26/27,428,887.91 = 9,187,832.14/x - Step 3: Cross multiply
18,288,256.26x = 27,428,887.91 × 9,187,832.14 - Step 4: Simplify right side
18,288,256.26x = 252,012,017,903,955.44 - Step 5: Solve for x
x = 252,012,017,903,955.44/18,288,256.26 - Step 6: Final answer
x = 13,779,991.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.