Finding the Fourth Proportional to 26,163,493.68, 36,105,621.57 and 14,563,797.60
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Solution
The fourth proportional to 26,163,493.68, 36,105,621.57 and 14,563,797.60 is: 20,098,040.85
Step by Step Solution
- Step 1: Write the proportion equation
26,163,493.68 : 36,105,621.57 = 14,563,797.60 : x - Step 2: Convert to fraction form
26,163,493.68/36,105,621.57 = 14,563,797.60/x - Step 3: Cross multiply
26,163,493.68x = 36,105,621.57 × 14,563,797.60 - Step 4: Simplify right side
26,163,493.68x = 525,834,964,767,674.25 - Step 5: Solve for x
x = 525,834,964,767,674.25/26,163,493.68 - Step 6: Final answer
x = 20,098,040.85
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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.