Finding the Fourth Proportional to 14,058,897.30, 21,080,763.09 and 6,378,351.21
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Solution
The fourth proportional to 14,058,897.30, 21,080,763.09 and 6,378,351.21 is: 9,564,086.56
Step by Step Solution
- Step 1: Write the proportion equation
14,058,897.30 : 21,080,763.09 = 6,378,351.21 : x - Step 2: Convert to fraction form
14,058,897.30/21,080,763.09 = 6,378,351.21/x - Step 3: Cross multiply
14,058,897.30x = 21,080,763.09 × 6,378,351.21 - Step 4: Simplify right side
14,058,897.30x = 134,460,510,762,824.84 - Step 5: Solve for x
x = 134,460,510,762,824.84/14,058,897.30 - Step 6: Final answer
x = 9,564,086.56
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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.