Finding the Fourth Proportional to 14,672,643.40, 22,009,937.10 and 3,889,793.80
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Solution
The fourth proportional to 14,672,643.40, 22,009,937.10 and 3,889,793.80 is: 5,834,948.38
Step by Step Solution
- Step 1: Write the proportion equation
14,672,643.40 : 22,009,937.10 = 3,889,793.80 : x - Step 2: Convert to fraction form
14,672,643.40/22,009,937.10 = 3,889,793.80/x - Step 3: Cross multiply
14,672,643.40x = 22,009,937.10 × 3,889,793.80 - Step 4: Simplify right side
14,672,643.40x = 85,614,116,869,969.98 - Step 5: Solve for x
x = 85,614,116,869,969.98/14,672,643.40 - Step 6: Final answer
x = 5,834,948.38
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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.