Finding the Fourth Proportional to 16,655,432.40, 24,983,148.60 and 5,297,029.20
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Solution
The fourth proportional to 16,655,432.40, 24,983,148.60 and 5,297,029.20 is: 7,945,543.80
Step by Step Solution
- Step 1: Write the proportion equation
16,655,432.40 : 24,983,148.60 = 5,297,029.20 : x - Step 2: Convert to fraction form
16,655,432.40/24,983,148.60 = 5,297,029.20/x - Step 3: Cross multiply
16,655,432.40x = 24,983,148.60 × 5,297,029.20 - Step 4: Simplify right side
16,655,432.40x = 132,336,467,642,139.12 - Step 5: Solve for x
x = 132,336,467,642,139.12/16,655,432.40 - Step 6: Final answer
x = 7,945,543.80
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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.