Finding the Fourth Proportional to 14,778,657.77, 20,394,591.98 and 8,252,525.39
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Solution
The fourth proportional to 14,778,657.77, 20,394,591.98 and 8,252,525.39 is: 11,388,509.75
Step by Step Solution
- Step 1: Write the proportion equation
14,778,657.77 : 20,394,591.98 = 8,252,525.39 : x - Step 2: Convert to fraction form
14,778,657.77/20,394,591.98 = 8,252,525.39/x - Step 3: Cross multiply
14,778,657.77x = 20,394,591.98 × 8,252,525.39 - Step 4: Simplify right side
14,778,657.77x = 168,306,887,990,404.78 - Step 5: Solve for x
x = 168,306,887,990,404.78/14,778,657.77 - Step 6: Final answer
x = 11,388,509.75
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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.