Finding the Fourth Proportional to 14,653,106.07, 20,202,702.78 and 10,471,785.09
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Solution
The fourth proportional to 14,653,106.07, 20,202,702.78 and 10,471,785.09 is: 14,437,782.73
Step by Step Solution
- Step 1: Write the proportion equation
14,653,106.07 : 20,202,702.78 = 10,471,785.09 : x - Step 2: Convert to fraction form
14,653,106.07/20,202,702.78 = 10,471,785.09/x - Step 3: Cross multiply
14,653,106.07x = 20,202,702.78 × 10,471,785.09 - Step 4: Simplify right side
14,653,106.07x = 211,558,361,749,305.56 - Step 5: Solve for x
x = 211,558,361,749,305.56/14,653,106.07 - Step 6: Final answer
x = 14,437,782.73
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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.