Finding the Fourth Proportional to 22,226,918.40, 33,361,372.80 and 13,723,862.40
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Solution
The fourth proportional to 22,226,918.40, 33,361,372.80 and 13,723,862.40 is: 20,598,756.95
Step by Step Solution
- Step 1: Write the proportion equation
22,226,918.40 : 33,361,372.80 = 13,723,862.40 : x - Step 2: Convert to fraction form
22,226,918.40/33,361,372.80 = 13,723,862.40/x - Step 3: Cross multiply
22,226,918.40x = 33,361,372.80 × 13,723,862.40 - Step 4: Simplify right side
22,226,918.40x = 457,846,889,782,302.75 - Step 5: Solve for x
x = 457,846,889,782,302.75/22,226,918.40 - Step 6: Final answer
x = 20,598,756.95
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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.