Finding the Fourth Proportional to 34,349,713.92, 47,402,708.64 and 18,881,383.68
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Solution
The fourth proportional to 34,349,713.92, 47,402,708.64 and 18,881,383.68 is: 26,056,366.33
Step by Step Solution
- Step 1: Write the proportion equation
34,349,713.92 : 47,402,708.64 = 18,881,383.68 : x - Step 2: Convert to fraction form
34,349,713.92/47,402,708.64 = 18,881,383.68/x - Step 3: Cross multiply
34,349,713.92x = 47,402,708.64 × 18,881,383.68 - Step 4: Simplify right side
34,349,713.92x = 895,028,729,303,091 - Step 5: Solve for x
x = 895,028,729,303,091/34,349,713.92 - Step 6: Final answer
x = 26,056,366.33
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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.