Finding the Fourth Proportional to 14,058,920.98, 21,080,798.16 and 6,378,374.62
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Solution
The fourth proportional to 14,058,920.98, 21,080,798.16 and 6,378,374.62 is: 9,564,121.47
Step by Step Solution
- Step 1: Write the proportion equation
14,058,920.98 : 21,080,798.16 = 6,378,374.62 : x - Step 2: Convert to fraction form
14,058,920.98/21,080,798.16 = 6,378,374.62/x - Step 3: Cross multiply
14,058,920.98x = 21,080,798.16 × 6,378,374.62 - Step 4: Simplify right side
14,058,920.98x = 134,461,227,953,086.70 - Step 5: Solve for x
x = 134,461,227,953,086.70/14,058,920.98 - Step 6: Final answer
x = 9,564,121.47
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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.