Finding the Fourth Proportional to 13,032,519.20, 19,551,685.23 and 4,279,187.78
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Solution
The fourth proportional to 13,032,519.20, 19,551,685.23 and 4,279,187.78 is: 6,419,735.99
Step by Step Solution
- Step 1: Write the proportion equation
13,032,519.20 : 19,551,685.23 = 4,279,187.78 : x - Step 2: Convert to fraction form
13,032,519.20/19,551,685.23 = 4,279,187.78/x - Step 3: Cross multiply
13,032,519.20x = 19,551,685.23 × 4,279,187.78 - Step 4: Simplify right side
13,032,519.20x = 83,665,332,490,182.88 - Step 5: Solve for x
x = 83,665,332,490,182.88/13,032,519.20 - Step 6: Final answer
x = 6,419,735.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.