Finding the Fourth Proportional to 12,593,853.99, 18,890,716.50 and 4,918,278.42
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Solution
The fourth proportional to 12,593,853.99, 18,890,716.50 and 4,918,278.42 is: 7,377,392.45
Step by Step Solution
- Step 1: Write the proportion equation
12,593,853.99 : 18,890,716.50 = 4,918,278.42 : x - Step 2: Convert to fraction form
12,593,853.99/18,890,716.50 = 4,918,278.42/x - Step 3: Cross multiply
12,593,853.99x = 18,890,716.50 × 4,918,278.42 - Step 4: Simplify right side
12,593,853.99x = 92,909,803,300,287.92 - Step 5: Solve for x
x = 92,909,803,300,287.92/12,593,853.99 - Step 6: Final answer
x = 7,377,392.45
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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.