Finding the Fourth Proportional to 19,651,437.84, 27,119,091.75 and 11,396,394.53
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Solution
The fourth proportional to 19,651,437.84, 27,119,091.75 and 11,396,394.53 is: 15,727,086.81
Step by Step Solution
- Step 1: Write the proportion equation
19,651,437.84 : 27,119,091.75 = 11,396,394.53 : x - Step 2: Convert to fraction form
19,651,437.84/27,119,091.75 = 11,396,394.53/x - Step 3: Cross multiply
19,651,437.84x = 27,119,091.75 × 11,396,394.53 - Step 4: Simplify right side
19,651,437.84x = 309,059,868,865,726.12 - Step 5: Solve for x
x = 309,059,868,865,726.12/19,651,437.84 - Step 6: Final answer
x = 15,727,086.81
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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.