Finding the Fourth Proportional to 27,539,439.40, 38,004,216.12 and 15,149,266
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Solution
The fourth proportional to 27,539,439.40, 38,004,216.12 and 15,149,266 is: 20,905,871.42
Step by Step Solution
- Step 1: Write the proportion equation
27,539,439.40 : 38,004,216.12 = 15,149,266 : x - Step 2: Convert to fraction form
27,539,439.40/38,004,216.12 = 15,149,266/x - Step 3: Cross multiply
27,539,439.40x = 38,004,216.12 × 15,149,266 - Step 4: Simplify right side
27,539,439.40x = 575,735,979,123,367.88 - Step 5: Solve for x
x = 575,735,979,123,367.88/27,539,439.40 - Step 6: Final answer
x = 20,905,871.42
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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.