Finding the Fourth Proportional to 16,131,625.92, 22,261,363.44 and 8,789,519.76
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Solution
The fourth proportional to 16,131,625.92, 22,261,363.44 and 8,789,519.76 is: 12,129,384.53
Step by Step Solution
- Step 1: Write the proportion equation
16,131,625.92 : 22,261,363.44 = 8,789,519.76 : x - Step 2: Convert to fraction form
16,131,625.92/22,261,363.44 = 8,789,519.76/x - Step 3: Cross multiply
16,131,625.92x = 22,261,363.44 × 8,789,519.76 - Step 4: Simplify right side
16,131,625.92x = 195,666,693,840,421.59 - Step 5: Solve for x
x = 195,666,693,840,421.59/16,131,625.92 - Step 6: Final answer
x = 12,129,384.53
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1.5x scale
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.