Finding the Fourth Proportional to 19,801,404.18, 27,331,632.86 and 11,959,670.84
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Solution
The fourth proportional to 19,801,404.18, 27,331,632.86 and 11,959,670.84 is: 16,507,785.48
Step by Step Solution
- Step 1: Write the proportion equation
19,801,404.18 : 27,331,632.86 = 11,959,670.84 : x - Step 2: Convert to fraction form
19,801,404.18/27,331,632.86 = 11,959,670.84/x - Step 3: Cross multiply
19,801,404.18x = 27,331,632.86 × 11,959,670.84 - Step 4: Simplify right side
19,801,404.18x = 326,877,332,483,858.75 - Step 5: Solve for x
x = 326,877,332,483,858.75/19,801,404.18 - Step 6: Final answer
x = 16,507,785.48
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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.