Finding the Fourth Proportional to 18,310,579.60, 27,465,869.40 and 10,248,422.80
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Solution
The fourth proportional to 18,310,579.60, 27,465,869.40 and 10,248,422.80 is: 15,372,634.20
Step by Step Solution
- Step 1: Write the proportion equation
18,310,579.60 : 27,465,869.40 = 10,248,422.80 : x - Step 2: Convert to fraction form
18,310,579.60/27,465,869.40 = 10,248,422.80/x - Step 3: Cross multiply
18,310,579.60x = 27,465,869.40 × 10,248,422.80 - Step 4: Simplify right side
18,310,579.60x = 281,481,842,180,782.31 - Step 5: Solve for x
x = 281,481,842,180,782.31/18,310,579.60 - Step 6: Final answer
x = 15,372,634.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.