Finding the Fourth Proportional to 13,230,366.48, 19,816,615.70 and 9,380,519.30
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Solution
The fourth proportional to 13,230,366.48, 19,816,615.70 and 9,380,519.30 is: 14,050,264.32
Step by Step Solution
- Step 1: Write the proportion equation
13,230,366.48 : 19,816,615.70 = 9,380,519.30 : x - Step 2: Convert to fraction form
13,230,366.48/19,816,615.70 = 9,380,519.30/x - Step 3: Cross multiply
13,230,366.48x = 19,816,615.70 × 9,380,519.30 - Step 4: Simplify right side
13,230,366.48x = 185,890,146,034,533.03 - Step 5: Solve for x
x = 185,890,146,034,533.03/13,230,366.48 - Step 6: Final answer
x = 14,050,264.32
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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.