Finding the Fourth Proportional to 24,193,970.40, 36,248,965.20 and 15,669,919.20
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Solution
The fourth proportional to 24,193,970.40, 36,248,965.20 and 15,669,919.20 is: 23,477,682.51
Step by Step Solution
- Step 1: Write the proportion equation
24,193,970.40 : 36,248,965.20 = 15,669,919.20 : x - Step 2: Convert to fraction form
24,193,970.40/36,248,965.20 = 15,669,919.20/x - Step 3: Cross multiply
24,193,970.40x = 36,248,965.20 × 15,669,919.20 - Step 4: Simplify right side
24,193,970.40x = 568,018,355,767,611.88 - Step 5: Solve for x
x = 568,018,355,767,611.88/24,193,970.40 - Step 6: Final answer
x = 23,477,682.51
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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.