Finding the Fourth Proportional to 12,879,441.08, 19,319,823.36 and 3,294,902.76
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Solution
The fourth proportional to 12,879,441.08, 19,319,823.36 and 3,294,902.76 is: 4,942,523.43
Step by Step Solution
- Step 1: Write the proportion equation
12,879,441.08 : 19,319,823.36 = 3,294,902.76 : x - Step 2: Convert to fraction form
12,879,441.08/19,319,823.36 = 3,294,902.76/x - Step 3: Cross multiply
12,879,441.08x = 19,319,823.36 × 3,294,902.76 - Step 4: Simplify right side
12,879,441.08x = 63,656,939,311,576.47 - Step 5: Solve for x
x = 63,656,939,311,576.47/12,879,441.08 - Step 6: Final answer
x = 4,942,523.43
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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.