Finding the Fourth Proportional to 13,127,768.54, 19,694,745.82 and 4,491,963.00
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Solution
The fourth proportional to 13,127,768.54, 19,694,745.82 and 4,491,963.00 is: 6,739,002.85
Step by Step Solution
- Step 1: Write the proportion equation
13,127,768.54 : 19,694,745.82 = 4,491,963.00 : x - Step 2: Convert to fraction form
13,127,768.54/19,694,745.82 = 4,491,963.00/x - Step 3: Cross multiply
13,127,768.54x = 19,694,745.82 × 4,491,963.00 - Step 4: Simplify right side
13,127,768.54x = 88,468,069,580,470.05 - Step 5: Solve for x
x = 88,468,069,580,470.05/13,127,768.54 - Step 6: Final answer
x = 6,739,002.85
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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.