Finding the Fourth Proportional to 15,570,427.28, 23,353,105.08 and 5,470,690.64
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Solution
The fourth proportional to 15,570,427.28, 23,353,105.08 and 5,470,690.64 is: 8,205,144.99
Step by Step Solution
- Step 1: Write the proportion equation
15,570,427.28 : 23,353,105.08 = 5,470,690.64 : x - Step 2: Convert to fraction form
15,570,427.28/23,353,105.08 = 5,470,690.64/x - Step 3: Cross multiply
15,570,427.28x = 23,353,105.08 × 5,470,690.64 - Step 4: Simplify right side
15,570,427.28x = 127,757,613,376,092.44 - Step 5: Solve for x
x = 127,757,613,376,092.44/15,570,427.28 - Step 6: Final answer
x = 8,205,144.99
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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.