Finding the Fourth Proportional to 12,879,439.08, 19,319,820.36 and 3,294,900.76
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Solution
The fourth proportional to 12,879,439.08, 19,319,820.36 and 3,294,900.76 is: 4,942,520.43
Step by Step Solution
- Step 1: Write the proportion equation
12,879,439.08 : 19,319,820.36 = 3,294,900.76 : x - Step 2: Convert to fraction form
12,879,439.08/19,319,820.36 = 3,294,900.76/x - Step 3: Cross multiply
12,879,439.08x = 19,319,820.36 × 3,294,900.76 - Step 4: Simplify right side
12,879,439.08x = 63,656,890,787,227.47 - Step 5: Solve for x
x = 63,656,890,787,227.47/12,879,439.08 - Step 6: Final answer
x = 4,942,520.43
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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.