Finding the Fourth Proportional to 16,764,420.13, 23,129,696.75 and 9,790,066.20
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Solution
The fourth proportional to 16,764,420.13, 23,129,696.75 and 9,790,066.20 is: 13,507,252.89
Step by Step Solution
- Step 1: Write the proportion equation
16,764,420.13 : 23,129,696.75 = 9,790,066.20 : x - Step 2: Convert to fraction form
16,764,420.13/23,129,696.75 = 9,790,066.20/x - Step 3: Cross multiply
16,764,420.13x = 23,129,696.75 × 9,790,066.20 - Step 4: Simplify right side
16,764,420.13x = 226,441,262,252,776.38 - Step 5: Solve for x
x = 226,441,262,252,776.38/16,764,420.13 - Step 6: Final answer
x = 13,507,252.89
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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.