Finding the Fourth Proportional to 17,881,808.40, 26,807,549.40 and 6,515,629.20
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Solution
The fourth proportional to 17,881,808.40, 26,807,549.40 and 6,515,629.20 is: 9,767,918.76
Step by Step Solution
- Step 1: Write the proportion equation
17,881,808.40 : 26,807,549.40 = 6,515,629.20 : x - Step 2: Convert to fraction form
17,881,808.40/26,807,549.40 = 6,515,629.20/x - Step 3: Cross multiply
17,881,808.40x = 26,807,549.40 × 6,515,629.20 - Step 4: Simplify right side
17,881,808.40x = 174,668,051,651,082.47 - Step 5: Solve for x
x = 174,668,051,651,082.47/17,881,808.40 - Step 6: Final answer
x = 9,767,918.76
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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.