Finding the Fourth Proportional to 13,959,520.99, 19,263,862.17 and 7,764,434.79
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Solution
The fourth proportional to 13,959,520.99, 19,263,862.17 and 7,764,434.79 is: 10,714,766.05
Step by Step Solution
- Step 1: Write the proportion equation
13,959,520.99 : 19,263,862.17 = 7,764,434.79 : x - Step 2: Convert to fraction form
13,959,520.99/19,263,862.17 = 7,764,434.79/x - Step 3: Cross multiply
13,959,520.99x = 19,263,862.17 × 7,764,434.79 - Step 4: Simplify right side
13,959,520.99x = 149,573,001,622,512.91 - Step 5: Solve for x
x = 149,573,001,622,512.91/13,959,520.99 - Step 6: Final answer
x = 10,714,766.05
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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.