Finding the Fourth Proportional to 16,632,155.20, 24,948,232.80 and 8,117,953.60
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Solution
The fourth proportional to 16,632,155.20, 24,948,232.80 and 8,117,953.60 is: 12,176,930.40
Step by Step Solution
- Step 1: Write the proportion equation
16,632,155.20 : 24,948,232.80 = 8,117,953.60 : x - Step 2: Convert to fraction form
16,632,155.20/24,948,232.80 = 8,117,953.60/x - Step 3: Cross multiply
16,632,155.20x = 24,948,232.80 × 8,117,953.60 - Step 4: Simplify right side
16,632,155.20x = 202,528,596,272,398.06 - Step 5: Solve for x
x = 202,528,596,272,398.06/16,632,155.20 - Step 6: Final answer
x = 12,176,930.40
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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.