Finding the Fourth Proportional to 19,662,570.28, 27,135,824.64 and 11,402,560.84
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Solution
The fourth proportional to 19,662,570.28, 27,135,824.64 and 11,402,560.84 is: 15,736,390.87
Step by Step Solution
- Step 1: Write the proportion equation
19,662,570.28 : 27,135,824.64 = 11,402,560.84 : x - Step 2: Convert to fraction form
19,662,570.28/27,135,824.64 = 11,402,560.84/x - Step 3: Cross multiply
19,662,570.28x = 27,135,824.64 × 11,402,560.84 - Step 4: Simplify right side
19,662,570.28x = 309,417,891,401,171.12 - Step 5: Solve for x
x = 309,417,891,401,171.12/19,662,570.28 - Step 6: Final answer
x = 15,736,390.87
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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.