Finding the Fourth Proportional to 16,811,892.12, 23,201,840.70 and 9,471,166.68
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Solution
The fourth proportional to 16,811,892.12, 23,201,840.70 and 9,471,166.68 is: 13,071,015.39
Step by Step Solution
- Step 1: Write the proportion equation
16,811,892.12 : 23,201,840.70 = 9,471,166.68 : x - Step 2: Convert to fraction form
16,811,892.12/23,201,840.70 = 9,471,166.68/x - Step 3: Cross multiply
16,811,892.12x = 23,201,840.70 × 9,471,166.68 - Step 4: Simplify right side
16,811,892.12x = 219,748,500,552,507.88 - Step 5: Solve for x
x = 219,748,500,552,507.88/16,811,892.12 - Step 6: Final answer
x = 13,071,015.39
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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.