Finding the Fourth Proportional to 16,449,643.48, 22,702,031.27 and 9,107,476.74
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Solution
The fourth proportional to 16,449,643.48, 22,702,031.27 and 9,107,476.74 is: 12,569,161.27
Step by Step Solution
- Step 1: Write the proportion equation
16,449,643.48 : 22,702,031.27 = 9,107,476.74 : x - Step 2: Convert to fraction form
16,449,643.48/22,702,031.27 = 9,107,476.74/x - Step 3: Cross multiply
16,449,643.48x = 22,702,031.27 × 9,107,476.74 - Step 4: Simplify right side
16,449,643.48x = 206,758,221,765,046.38 - Step 5: Solve for x
x = 206,758,221,765,046.38/16,449,643.48 - Step 6: Final answer
x = 12,569,161.27
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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.