Finding the Fourth Proportional to 26,331,706.80, 39,497,560.20 and 25,953,793.20
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Solution
The fourth proportional to 26,331,706.80, 39,497,560.20 and 25,953,793.20 is: 38,930,689.80
Step by Step Solution
- Step 1: Write the proportion equation
26,331,706.80 : 39,497,560.20 = 25,953,793.20 : x - Step 2: Convert to fraction form
26,331,706.80/39,497,560.20 = 25,953,793.20/x - Step 3: Cross multiply
26,331,706.80x = 39,497,560.20 × 25,953,793.20 - Step 4: Simplify right side
26,331,706.80x = 1,025,111,509,335,350.75 - Step 5: Solve for x
x = 1,025,111,509,335,350.75/26,331,706.80 - Step 6: Final answer
x = 38,930,689.80
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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.