Finding the Fourth Proportional to 13,787,576.10, 20,684,316.60 and 4,203,923.40
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Solution
The fourth proportional to 13,787,576.10, 20,684,316.60 and 4,203,923.40 is: 6,306,785.32
Step by Step Solution
- Step 1: Write the proportion equation
13,787,576.10 : 20,684,316.60 = 4,203,923.40 : x - Step 2: Convert to fraction form
13,787,576.10/20,684,316.60 = 4,203,923.40/x - Step 3: Cross multiply
13,787,576.10x = 20,684,316.60 × 4,203,923.40 - Step 4: Simplify right side
13,787,576.10x = 86,955,282,567,748.45 - Step 5: Solve for x
x = 86,955,282,567,748.45/13,787,576.10 - Step 6: Final answer
x = 6,306,785.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.