Finding the Fourth Proportional to 13,594,576.78, 20,385,882.42 and 7,203,356.02
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Solution
The fourth proportional to 13,594,576.78, 20,385,882.42 and 7,203,356.02 is: 10,801,863.95
Step by Step Solution
- Step 1: Write the proportion equation
13,594,576.78 : 20,385,882.42 = 7,203,356.02 : x - Step 2: Convert to fraction form
13,594,576.78/20,385,882.42 = 7,203,356.02/x - Step 3: Cross multiply
13,594,576.78x = 20,385,882.42 × 7,203,356.02 - Step 4: Simplify right side
13,594,576.78x = 146,846,768,853,119.19 - Step 5: Solve for x
x = 146,846,768,853,119.19/13,594,576.78 - Step 6: Final answer
x = 10,801,863.95
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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.