Finding the Fourth Proportional to 24,911,356.80, 37,367,035.20 and 13,432,231.20
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Solution
The fourth proportional to 24,911,356.80, 37,367,035.20 and 13,432,231.20 is: 20,148,346.80
Step by Step Solution
- Step 1: Write the proportion equation
24,911,356.80 : 37,367,035.20 = 13,432,231.20 : x - Step 2: Convert to fraction form
24,911,356.80/37,367,035.20 = 13,432,231.20/x - Step 3: Cross multiply
24,911,356.80x = 37,367,035.20 × 13,432,231.20 - Step 4: Simplify right side
24,911,356.80x = 501,922,656,064,938.25 - Step 5: Solve for x
x = 501,922,656,064,938.25/24,911,356.80 - Step 6: Final answer
x = 20,148,346.80
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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.