Finding the Fourth Proportional to 32,778,078.14, 49,141,652.34 and 21,239,165.42
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Solution
The fourth proportional to 32,778,078.14, 49,141,652.34 and 21,239,165.42 is: 31,842,247.69
Step by Step Solution
- Step 1: Write the proportion equation
32,778,078.14 : 49,141,652.34 = 21,239,165.42 : x - Step 2: Convert to fraction form
32,778,078.14/49,141,652.34 = 21,239,165.42/x - Step 3: Cross multiply
32,778,078.14x = 49,141,652.34 × 21,239,165.42 - Step 4: Simplify right side
32,778,078.14x = 1,043,727,683,061,390.25 - Step 5: Solve for x
x = 1,043,727,683,061,390.25/32,778,078.14 - Step 6: Final answer
x = 31,842,247.69
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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.