Finding the Fourth Proportional to 7,031,214.57, 10,545,733.89 and 2,712,634.95
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Solution
The fourth proportional to 7,031,214.57, 10,545,733.89 and 2,712,634.95 is: 4,068,532.69
Step by Step Solution
- Step 1: Write the proportion equation
7,031,214.57 : 10,545,733.89 = 2,712,634.95 : x - Step 2: Convert to fraction form
7,031,214.57/10,545,733.89 = 2,712,634.95/x - Step 3: Cross multiply
7,031,214.57x = 10,545,733.89 × 2,712,634.95 - Step 4: Simplify right side
7,031,214.57x = 28,606,726,323,413.46 - Step 5: Solve for x
x = 28,606,726,323,413.46/7,031,214.57 - Step 6: Final answer
x = 4,068,532.69
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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.