Finding the Fourth Proportional to 21,598,600.40, 32,398,246.20 and 5,642,248.40
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Solution
The fourth proportional to 21,598,600.40, 32,398,246.20 and 5,642,248.40 is: 8,463,462.88
Step by Step Solution
- Step 1: Write the proportion equation
21,598,600.40 : 32,398,246.20 = 5,642,248.40 : x - Step 2: Convert to fraction form
21,598,600.40/32,398,246.20 = 5,642,248.40/x - Step 3: Cross multiply
21,598,600.40x = 32,398,246.20 × 5,642,248.40 - Step 4: Simplify right side
21,598,600.40x = 182,798,952,784,756.09 - Step 5: Solve for x
x = 182,798,952,784,756.09/21,598,600.40 - Step 6: Final answer
x = 8,463,462.88
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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.