Finding the Fourth Proportional to 12,643,475.97, 18,965,263.16 and 3,058,839.12
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Solution
The fourth proportional to 12,643,475.97, 18,965,263.16 and 3,058,839.12 is: 4,588,270.58
Step by Step Solution
- Step 1: Write the proportion equation
12,643,475.97 : 18,965,263.16 = 3,058,839.12 : x - Step 2: Convert to fraction form
12,643,475.97/18,965,263.16 = 3,058,839.12/x - Step 3: Cross multiply
12,643,475.97x = 18,965,263.16 × 3,058,839.12 - Step 4: Simplify right side
12,643,475.97x = 58,011,688,874,902.82 - Step 5: Solve for x
x = 58,011,688,874,902.82/12,643,475.97 - Step 6: Final answer
x = 4,588,270.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.