Finding the Fourth Proportional to 25,764,831.84, 35,555,258.34 and 14,162,271.96
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Solution
The fourth proportional to 25,764,831.84, 35,555,258.34 and 14,162,271.96 is: 19,543,820.09
Step by Step Solution
- Step 1: Write the proportion equation
25,764,831.84 : 35,555,258.34 = 14,162,271.96 : x - Step 2: Convert to fraction form
25,764,831.84/35,555,258.34 = 14,162,271.96/x - Step 3: Cross multiply
25,764,831.84x = 35,555,258.34 × 14,162,271.96 - Step 4: Simplify right side
25,764,831.84x = 503,543,238,219,138.25 - Step 5: Solve for x
x = 503,543,238,219,138.25/25,764,831.84 - Step 6: Final answer
x = 19,543,820.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.