Finding the Fourth Proportional to 28,264,220.20, 42,396,330.30 and 8,066,837.80
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Solution
The fourth proportional to 28,264,220.20, 42,396,330.30 and 8,066,837.80 is: 12,100,256.70
Step by Step Solution
- Step 1: Write the proportion equation
28,264,220.20 : 42,396,330.30 = 8,066,837.80 : x - Step 2: Convert to fraction form
28,264,220.20/42,396,330.30 = 8,066,837.80/x - Step 3: Cross multiply
28,264,220.20x = 42,396,330.30 × 8,066,837.80 - Step 4: Simplify right side
28,264,220.20x = 342,004,319,845,325.31 - Step 5: Solve for x
x = 342,004,319,845,325.31/28,264,220.20 - Step 6: Final answer
x = 12,100,256.70
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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.