Finding the Fourth Proportional to 14,058,919.98, 21,080,796.66 and 6,378,373.62
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Solution
The fourth proportional to 14,058,919.98, 21,080,796.66 and 6,378,373.62 is: 9,564,119.97
Step by Step Solution
- Step 1: Write the proportion equation
14,058,919.98 : 21,080,796.66 = 6,378,373.62 : x - Step 2: Convert to fraction form
14,058,919.98/21,080,796.66 = 6,378,373.62/x - Step 3: Cross multiply
14,058,919.98x = 21,080,796.66 × 6,378,373.62 - Step 4: Simplify right side
14,058,919.98x = 134,461,197,304,728.11 - Step 5: Solve for x
x = 134,461,197,304,728.11/14,058,919.98 - Step 6: Final answer
x = 9,564,119.97
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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.