Finding the Fourth Proportional to 16,621,804.80, 24,937,372.80 and 8,102,419.20
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Solution
The fourth proportional to 16,621,804.80, 24,937,372.80 and 8,102,419.20 is: 12,155,903.08
Step by Step Solution
- Step 1: Write the proportion equation
16,621,804.80 : 24,937,372.80 = 8,102,419.20 : x - Step 2: Convert to fraction form
16,621,804.80/24,937,372.80 = 8,102,419.20/x - Step 3: Cross multiply
16,621,804.80x = 24,937,372.80 × 8,102,419.20 - Step 4: Simplify right side
16,621,804.80x = 202,053,048,172,277.78 - Step 5: Solve for x
x = 202,053,048,172,277.78/16,621,804.80 - Step 6: Final answer
x = 12,155,903.08
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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.