Finding the Fourth Proportional to 27,115,476.02, 37,430,808.34 and 18,306,860.41
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Solution
The fourth proportional to 27,115,476.02, 37,430,808.34 and 18,306,860.41 is: 25,271,198.74
Step by Step Solution
- Step 1: Write the proportion equation
27,115,476.02 : 37,430,808.34 = 18,306,860.41 : x - Step 2: Convert to fraction form
27,115,476.02/37,430,808.34 = 18,306,860.41/x - Step 3: Cross multiply
27,115,476.02x = 37,430,808.34 × 18,306,860.41 - Step 4: Simplify right side
27,115,476.02x = 685,240,583,313,843.88 - Step 5: Solve for x
x = 685,240,583,313,843.88/27,115,476.02 - Step 6: Final answer
x = 25,271,198.74
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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.