Finding the Fourth Proportional to 42,180,601.44, 63,268,227.36 and 13,447,354.08
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Solution
The fourth proportional to 42,180,601.44, 63,268,227.36 and 13,447,354.08 is: 20,170,178.38
Step by Step Solution
- Step 1: Write the proportion equation
42,180,601.44 : 63,268,227.36 = 13,447,354.08 : x - Step 2: Convert to fraction form
42,180,601.44/63,268,227.36 = 13,447,354.08/x - Step 3: Cross multiply
42,180,601.44x = 63,268,227.36 × 13,447,354.08 - Step 4: Simplify right side
42,180,601.44x = 850,790,255,323,863.62 - Step 5: Solve for x
x = 850,790,255,323,863.62/42,180,601.44 - Step 6: Final answer
x = 20,170,178.38
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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.