Finding the Fourth Proportional to 16,621,811.80, 24,937,383.30 and 8,102,426.20
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Solution
The fourth proportional to 16,621,811.80, 24,937,383.30 and 8,102,426.20 is: 12,155,913.58
Step by Step Solution
- Step 1: Write the proportion equation
16,621,811.80 : 24,937,383.30 = 8,102,426.20 : x - Step 2: Convert to fraction form
16,621,811.80/24,937,383.30 = 8,102,426.20/x - Step 3: Cross multiply
16,621,811.80x = 24,937,383.30 × 8,102,426.20 - Step 4: Simplify right side
16,621,811.80x = 202,053,307,809,362.47 - Step 5: Solve for x
x = 202,053,307,809,362.47/16,621,811.80 - Step 6: Final answer
x = 12,155,913.58
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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.