Finding the Fourth Proportional to 27,221,836.23, 37,565,660.99 and 14,832,031.46
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Solution
The fourth proportional to 27,221,836.23, 37,565,660.99 and 14,832,031.46 is: 20,467,945.69
Step by Step Solution
- Step 1: Write the proportion equation
27,221,836.23 : 37,565,660.99 = 14,832,031.46 : x - Step 2: Convert to fraction form
27,221,836.23/37,565,660.99 = 14,832,031.46/x - Step 3: Cross multiply
27,221,836.23x = 37,565,660.99 × 14,832,031.46 - Step 4: Simplify right side
27,221,836.23x = 557,175,065,619,374.81 - Step 5: Solve for x
x = 557,175,065,619,374.81/27,221,836.23 - Step 6: Final answer
x = 20,467,945.69
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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.