Finding the Fourth Proportional to 8,248,353.28, 12,367,559.76 and 3,698,578.48
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Solution
The fourth proportional to 8,248,353.28, 12,367,559.76 and 3,698,578.48 is: 5,545,639.09
Step by Step Solution
- Step 1: Write the proportion equation
8,248,353.28 : 12,367,559.76 = 3,698,578.48 : x - Step 2: Convert to fraction form
8,248,353.28/12,367,559.76 = 3,698,578.48/x - Step 3: Cross multiply
8,248,353.28x = 12,367,559.76 × 3,698,578.48 - Step 4: Simplify right side
8,248,353.28x = 45,742,390,378,449.96 - Step 5: Solve for x
x = 45,742,390,378,449.96/8,248,353.28 - Step 6: Final answer
x = 5,545,639.09
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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.