Finding the Fourth Proportional to 19,133,133.12, 28,691,255.70 and 5,483,181.60
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Solution
The fourth proportional to 19,133,133.12, 28,691,255.70 and 5,483,181.60 is: 8,222,352.52
Step by Step Solution
- Step 1: Write the proportion equation
19,133,133.12 : 28,691,255.70 = 5,483,181.60 : x - Step 2: Convert to fraction form
19,133,133.12/28,691,255.70 = 5,483,181.60/x - Step 3: Cross multiply
19,133,133.12x = 28,691,255.70 × 5,483,181.60 - Step 4: Simplify right side
19,133,133.12x = 157,319,365,335,135.09 - Step 5: Solve for x
x = 157,319,365,335,135.09/19,133,133.12 - Step 6: Final answer
x = 8,222,352.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.