Finding the Fourth Proportional to 34,176,318.07, 47,163,761.92 and 18,706,070.56
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Solution
The fourth proportional to 34,176,318.07, 47,163,761.92 and 18,706,070.56 is: 25,814,619.84
Step by Step Solution
- Step 1: Write the proportion equation
34,176,318.07 : 47,163,761.92 = 18,706,070.56 : x - Step 2: Convert to fraction form
34,176,318.07/47,163,761.92 = 18,706,070.56/x - Step 3: Cross multiply
34,176,318.07x = 47,163,761.92 × 18,706,070.56 - Step 4: Simplify right side
34,176,318.07x = 882,248,658,350,561 - Step 5: Solve for x
x = 882,248,658,350,561/34,176,318.07 - Step 6: Final answer
x = 25,814,619.84
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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.