Finding the Fourth Proportional to 27,299,203.68, 37,671,359.70 and 14,906,830.62
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Solution
The fourth proportional to 27,299,203.68, 37,671,359.70 and 14,906,830.62 is: 20,570,584.58
Step by Step Solution
- Step 1: Write the proportion equation
27,299,203.68 : 37,671,359.70 = 14,906,830.62 : x - Step 2: Convert to fraction form
27,299,203.68/37,671,359.70 = 14,906,830.62/x - Step 3: Cross multiply
27,299,203.68x = 37,671,359.70 × 14,906,830.62 - Step 4: Simplify right side
27,299,203.68x = 561,560,578,272,994 - Step 5: Solve for x
x = 561,560,578,272,994/27,299,203.68 - Step 6: Final answer
x = 20,570,584.58
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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.