Finding the Fourth Proportional to 11,159,713.51, 15,399,554.37 and 6,263,989.74
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Solution
The fourth proportional to 11,159,713.51, 15,399,554.37 and 6,263,989.74 is: 8,643,828.58
Step by Step Solution
- Step 1: Write the proportion equation
11,159,713.51 : 15,399,554.37 = 6,263,989.74 : x - Step 2: Convert to fraction form
11,159,713.51/15,399,554.37 = 6,263,989.74/x - Step 3: Cross multiply
11,159,713.51x = 15,399,554.37 × 6,263,989.74 - Step 4: Simplify right side
11,159,713.51x = 96,462,650,527,084 - Step 5: Solve for x
x = 96,462,650,527,084/11,159,713.51 - Step 6: Final answer
x = 8,643,828.58
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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.