Finding the Fourth Proportional to 12,473,951.20, 18,713,551.20 and 3,955,148.80
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Solution
The fourth proportional to 12,473,951.20, 18,713,551.20 and 3,955,148.80 is: 5,933,555.33
Step by Step Solution
- Step 1: Write the proportion equation
12,473,951.20 : 18,713,551.20 = 3,955,148.80 : x - Step 2: Convert to fraction form
12,473,951.20/18,713,551.20 = 3,955,148.80/x - Step 3: Cross multiply
12,473,951.20x = 18,713,551.20 × 3,955,148.80 - Step 4: Simplify right side
12,473,951.20x = 74,014,879,572,418.55 - Step 5: Solve for x
x = 74,014,879,572,418.55/12,473,951.20 - Step 6: Final answer
x = 5,933,555.33
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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.