Finding the Fourth Proportional to 20,197,299.36, 27,872,375.40 and 11,029,941.84
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Solution
The fourth proportional to 20,197,299.36, 27,872,375.40 and 11,029,941.84 is: 15,221,375.60
Step by Step Solution
- Step 1: Write the proportion equation
20,197,299.36 : 27,872,375.40 = 11,029,941.84 : x - Step 2: Convert to fraction form
20,197,299.36/27,872,375.40 = 11,029,941.84/x - Step 3: Cross multiply
20,197,299.36x = 27,872,375.40 × 11,029,941.84 - Step 4: Simplify right side
20,197,299.36x = 307,430,679,604,646.69 - Step 5: Solve for x
x = 307,430,679,604,646.69/20,197,299.36 - Step 6: Final answer
x = 15,221,375.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.