Finding the Fourth Proportional to 14,498,124.19, 20,006,899.26 and 7,971,707.95
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Solution
The fourth proportional to 14,498,124.19, 20,006,899.26 and 7,971,707.95 is: 11,000,675.38
Step by Step Solution
- Step 1: Write the proportion equation
14,498,124.19 : 20,006,899.26 = 7,971,707.95 : x - Step 2: Convert to fraction form
14,498,124.19/20,006,899.26 = 7,971,707.95/x - Step 3: Cross multiply
14,498,124.19x = 20,006,899.26 × 7,971,707.95 - Step 4: Simplify right side
14,498,124.19x = 159,489,157,805,879.97 - Step 5: Solve for x
x = 159,489,157,805,879.97/14,498,124.19 - Step 6: Final answer
x = 11,000,675.38
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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.