Finding the Fourth Proportional to 16,402,275.20, 24,603,412.80 and 7,880,556.80
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Solution
The fourth proportional to 16,402,275.20, 24,603,412.80 and 7,880,556.80 is: 11,820,835.20
Step by Step Solution
- Step 1: Write the proportion equation
16,402,275.20 : 24,603,412.80 = 7,880,556.80 : x - Step 2: Convert to fraction form
16,402,275.20/24,603,412.80 = 7,880,556.80/x - Step 3: Cross multiply
16,402,275.20x = 24,603,412.80 × 7,880,556.80 - Step 4: Simplify right side
16,402,275.20x = 193,888,592,044,247.03 - Step 5: Solve for x
x = 193,888,592,044,247.03/16,402,275.20 - Step 6: Final answer
x = 11,820,835.20
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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.