Finding the Fourth Proportional to 19,767,191.52, 27,278,735.68 and 11,065,380.96
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Solution
The fourth proportional to 19,767,191.52, 27,278,735.68 and 11,065,380.96 is: 15,270,232.10
Step by Step Solution
- Step 1: Write the proportion equation
19,767,191.52 : 27,278,735.68 = 11,065,380.96 : x - Step 2: Convert to fraction form
19,767,191.52/27,278,735.68 = 11,065,380.96/x - Step 3: Cross multiply
19,767,191.52x = 27,278,735.68 × 11,065,380.96 - Step 4: Simplify right side
19,767,191.52x = 301,849,602,406,344.69 - Step 5: Solve for x
x = 301,849,602,406,344.69/19,767,191.52 - Step 6: Final answer
x = 15,270,232.10
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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.