Finding the Fourth Proportional to 48,499,322.61, 66,919,074.11 and 27,868,782.99
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Solution
The fourth proportional to 48,499,322.61, 66,919,074.11 and 27,868,782.99 is: 38,453,179.42
Step by Step Solution
- Step 1: Write the proportion equation
48,499,322.61 : 66,919,074.11 = 27,868,782.99 : x - Step 2: Convert to fraction form
48,499,322.61/66,919,074.11 = 27,868,782.99/x - Step 3: Cross multiply
48,499,322.61x = 66,919,074.11 × 27,868,782.99 - Step 4: Simplify right side
48,499,322.61x = 1,864,953,154,123,973.25 - Step 5: Solve for x
x = 1,864,953,154,123,973.25/48,499,322.61 - Step 6: Final answer
x = 38,453,179.42
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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.