Finding the Fourth Proportional to 9,539,508.75, 13,163,327.23 and 6,448,756.97
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Solution
The fourth proportional to 9,539,508.75, 13,163,327.23 and 6,448,756.97 is: 8,898,476.90
Step by Step Solution
- Step 1: Write the proportion equation
9,539,508.75 : 13,163,327.23 = 6,448,756.97 : x - Step 2: Convert to fraction form
9,539,508.75/13,163,327.23 = 6,448,756.97/x - Step 3: Cross multiply
9,539,508.75x = 13,163,327.23 × 6,448,756.97 - Step 4: Simplify right side
9,539,508.75x = 84,887,098,251,731.14 - Step 5: Solve for x
x = 84,887,098,251,731.14/9,539,508.75 - Step 6: Final answer
x = 8,898,476.90
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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.