Finding the Fourth Proportional to 6,423,197.47, 9,634,803.49 and 2,163,008.95
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Solution
The fourth proportional to 6,423,197.47, 9,634,803.49 and 2,163,008.95 is: 3,244,515.88
Step by Step Solution
- Step 1: Write the proportion equation
6,423,197.47 : 9,634,803.49 = 2,163,008.95 : x - Step 2: Convert to fraction form
6,423,197.47/9,634,803.49 = 2,163,008.95/x - Step 3: Cross multiply
6,423,197.47x = 9,634,803.49 × 2,163,008.95 - Step 4: Simplify right side
6,423,197.47x = 20,840,166,158,977.99 - Step 5: Solve for x
x = 20,840,166,158,977.99/6,423,197.47 - Step 6: Final answer
x = 3,244,515.88
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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.