Finding the Fourth Proportional to 13,843,586.88, 19,100,888.64 and 8,038,932.48
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Solution
The fourth proportional to 13,843,586.88, 19,100,888.64 and 8,038,932.48 is: 11,091,833.02
Step by Step Solution
- Step 1: Write the proportion equation
13,843,586.88 : 19,100,888.64 = 8,038,932.48 : x - Step 2: Convert to fraction form
13,843,586.88/19,100,888.64 = 8,038,932.48/x - Step 3: Cross multiply
13,843,586.88x = 19,100,888.64 × 8,038,932.48 - Step 4: Simplify right side
13,843,586.88x = 153,550,754,084,959.03 - Step 5: Solve for x
x = 153,550,754,084,959.03/13,843,586.88 - Step 6: Final answer
x = 11,091,833.02
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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.