Finding the Fourth Proportional to 27,201,620.40, 40,802,430.60 and 8,032,346.70
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Solution
The fourth proportional to 27,201,620.40, 40,802,430.60 and 8,032,346.70 is: 12,048,520.05
Step by Step Solution
- Step 1: Write the proportion equation
27,201,620.40 : 40,802,430.60 = 8,032,346.70 : x - Step 2: Convert to fraction form
27,201,620.40/40,802,430.60 = 8,032,346.70/x - Step 3: Cross multiply
27,201,620.40x = 40,802,430.60 × 8,032,346.70 - Step 4: Simplify right side
27,201,620.40x = 327,739,268,781,889.06 - Step 5: Solve for x
x = 327,739,268,781,889.06/27,201,620.40 - Step 6: Final answer
x = 12,048,520.05
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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.