Finding the Fourth Proportional to 8,128,266.48, 12,197,998.44 and 2,809,482.48
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Solution
The fourth proportional to 8,128,266.48, 12,197,998.44 and 2,809,482.48 is: 4,216,158.88
Step by Step Solution
- Step 1: Write the proportion equation
8,128,266.48 : 12,197,998.44 = 2,809,482.48 : x - Step 2: Convert to fraction form
8,128,266.48/12,197,998.44 = 2,809,482.48/x - Step 3: Cross multiply
8,128,266.48x = 12,197,998.44 × 2,809,482.48 - Step 4: Simplify right side
8,128,266.48x = 34,270,062,908,247.33 - Step 5: Solve for x
x = 34,270,062,908,247.33/8,128,266.48 - Step 6: Final answer
x = 4,216,158.88
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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.