Finding the Fourth Proportional to 14,998,245.62, 20,697,605.12 and 8,122,727.68
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Solution
The fourth proportional to 14,998,245.62, 20,697,605.12 and 8,122,727.68 is: 11,209,378.37
Step by Step Solution
- Step 1: Write the proportion equation
14,998,245.62 : 20,697,605.12 = 8,122,727.68 : x - Step 2: Convert to fraction form
14,998,245.62/20,697,605.12 = 8,122,727.68/x - Step 3: Cross multiply
14,998,245.62x = 20,697,605.12 × 8,122,727.68 - Step 4: Simplify right side
14,998,245.62x = 168,121,009,986,496.53 - Step 5: Solve for x
x = 168,121,009,986,496.53/14,998,245.62 - Step 6: Final answer
x = 11,209,378.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.