Finding the Fourth Proportional to 19,573,232.70, 29,359,849.05 and 15,542,154.30
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Solution
The fourth proportional to 19,573,232.70, 29,359,849.05 and 15,542,154.30 is: 23,313,231.45
Step by Step Solution
- Step 1: Write the proportion equation
19,573,232.70 : 29,359,849.05 = 15,542,154.30 : x - Step 2: Convert to fraction form
19,573,232.70/29,359,849.05 = 15,542,154.30/x - Step 3: Cross multiply
19,573,232.70x = 29,359,849.05 × 15,542,154.30 - Step 4: Simplify right side
19,573,232.70x = 456,315,304,159,808.44 - Step 5: Solve for x
x = 456,315,304,159,808.44/19,573,232.70 - Step 6: Final answer
x = 23,313,231.45
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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.