Finding the Fourth Proportional to 14,378,359.48, 21,567,729.90 and 4,793,741.09
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Solution
The fourth proportional to 14,378,359.48, 21,567,729.90 and 4,793,741.09 is: 7,190,675.20
Step by Step Solution
- Step 1: Write the proportion equation
14,378,359.48 : 21,567,729.90 = 4,793,741.09 : x - Step 2: Convert to fraction form
14,378,359.48/21,567,729.90 = 4,793,741.09/x - Step 3: Cross multiply
14,378,359.48x = 21,567,729.90 × 4,793,741.09 - Step 4: Simplify right side
14,378,359.48x = 103,390,112,959,897.06 - Step 5: Solve for x
x = 103,390,112,959,897.06/14,378,359.48 - Step 6: Final answer
x = 7,190,675.20
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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.