Finding the Fourth Proportional to 10,681,634, 16,024,459.80 and 4,292,392.88
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Solution
The fourth proportional to 10,681,634, 16,024,459.80 and 4,292,392.88 is: 6,439,396.55
Step by Step Solution
- Step 1: Write the proportion equation
10,681,634 : 16,024,459.80 = 4,292,392.88 : x - Step 2: Convert to fraction form
10,681,634/16,024,459.80 = 4,292,392.88/x - Step 3: Cross multiply
10,681,634x = 16,024,459.80 × 4,292,392.88 - Step 4: Simplify right side
10,681,634x = 68,783,277,151,366.23 - Step 5: Solve for x
x = 68,783,277,151,366.23/10,681,634 - Step 6: Final answer
x = 6,439,396.55
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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.