Finding the Fourth Proportional to 14,424,059.98, 19,905,207.60 and 7,898,102.20
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Solution
The fourth proportional to 14,424,059.98, 19,905,207.60 and 7,898,102.20 is: 10,899,383.68
Step by Step Solution
- Step 1: Write the proportion equation
14,424,059.98 : 19,905,207.60 = 7,898,102.20 : x - Step 2: Convert to fraction form
14,424,059.98/19,905,207.60 = 7,898,102.20/x - Step 3: Cross multiply
14,424,059.98x = 19,905,207.60 × 7,898,102.20 - Step 4: Simplify right side
14,424,059.98x = 157,213,363,937,016.75 - Step 5: Solve for x
x = 157,213,363,937,016.75/14,424,059.98 - Step 6: Final answer
x = 10,899,383.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.