Finding the Fourth Proportional to 32,257,969.20, 48,386,953.80 and 13,097,905.20
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Solution
The fourth proportional to 32,257,969.20, 48,386,953.80 and 13,097,905.20 is: 19,646,857.80
Step by Step Solution
- Step 1: Write the proportion equation
32,257,969.20 : 48,386,953.80 = 13,097,905.20 : x - Step 2: Convert to fraction form
32,257,969.20/48,386,953.80 = 13,097,905.20/x - Step 3: Cross multiply
32,257,969.20x = 48,386,953.80 × 13,097,905.20 - Step 4: Simplify right side
32,257,969.20x = 633,767,733,789,179.62 - Step 5: Solve for x
x = 633,767,733,789,179.62/32,257,969.20 - Step 6: Final answer
x = 19,646,857.80
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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.