Finding the Fourth Proportional to 37,446,426.20, 56,169,639.30 and 11,889,435.80
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Solution
The fourth proportional to 37,446,426.20, 56,169,639.30 and 11,889,435.80 is: 17,834,153.70
Step by Step Solution
- Step 1: Write the proportion equation
37,446,426.20 : 56,169,639.30 = 11,889,435.80 : x - Step 2: Convert to fraction form
37,446,426.20/56,169,639.30 = 11,889,435.80/x - Step 3: Cross multiply
37,446,426.20x = 56,169,639.30 × 11,889,435.80 - Step 4: Simplify right side
37,446,426.20x = 667,825,320,366,507 - Step 5: Solve for x
x = 667,825,320,366,507/37,446,426.20 - Step 6: Final answer
x = 17,834,153.70
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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.