Finding the Fourth Proportional to 37,239,258.67, 55,863,768.78 and 12,303,384.99
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Solution
The fourth proportional to 37,239,258.67, 55,863,768.78 and 12,303,384.99 is: 18,456,690.03
Step by Step Solution
- Step 1: Write the proportion equation
37,239,258.67 : 55,863,768.78 = 12,303,384.99 : x - Step 2: Convert to fraction form
37,239,258.67/55,863,768.78 = 12,303,384.99/x - Step 3: Cross multiply
37,239,258.67x = 55,863,768.78 × 12,303,384.99 - Step 4: Simplify right side
37,239,258.67x = 687,313,454,083,193.50 - Step 5: Solve for x
x = 687,313,454,083,193.50/37,239,258.67 - Step 6: Final answer
x = 18,456,690.03
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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.