Finding the Fourth Proportional to 25,632,089.64, 38,442,153.60 and 7,431,400.08
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Solution
The fourth proportional to 25,632,089.64, 38,442,153.60 and 7,431,400.08 is: 11,145,366.12
Step by Step Solution
- Step 1: Write the proportion equation
25,632,089.64 : 38,442,153.60 = 7,431,400.08 : x - Step 2: Convert to fraction form
25,632,089.64/38,442,153.60 = 7,431,400.08/x - Step 3: Cross multiply
25,632,089.64x = 38,442,153.60 × 7,431,400.08 - Step 4: Simplify right side
25,632,089.64x = 285,679,023,338,412.31 - Step 5: Solve for x
x = 285,679,023,338,412.31/25,632,089.64 - Step 6: Final answer
x = 11,145,366.12
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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.