Finding the Fourth Proportional to 16,196,139.20, 24,275,546.40 and 6,605,220.80
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Solution
The fourth proportional to 16,196,139.20, 24,275,546.40 and 6,605,220.80 is: 9,900,220.17
Step by Step Solution
- Step 1: Write the proportion equation
16,196,139.20 : 24,275,546.40 = 6,605,220.80 : x - Step 2: Convert to fraction form
16,196,139.20/24,275,546.40 = 6,605,220.80/x - Step 3: Cross multiply
16,196,139.20x = 24,275,546.40 × 6,605,220.80 - Step 4: Simplify right side
16,196,139.20x = 160,345,344,012,645.09 - Step 5: Solve for x
x = 160,345,344,012,645.09/16,196,139.20 - Step 6: Final answer
x = 9,900,220.17
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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.