Finding the Fourth Proportional to 14,304,028.08, 19,739,421.16 and 7,777,660.03
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Solution
The fourth proportional to 14,304,028.08, 19,739,421.16 and 7,777,660.03 is: 10,733,096.03
Step by Step Solution
- Step 1: Write the proportion equation
14,304,028.08 : 19,739,421.16 = 7,777,660.03 : x - Step 2: Convert to fraction form
14,304,028.08/19,739,421.16 = 7,777,660.03/x - Step 3: Cross multiply
14,304,028.08x = 19,739,421.16 × 7,777,660.03 - Step 4: Simplify right side
14,304,028.08x = 153,526,506,971,468.25 - Step 5: Solve for x
x = 153,526,506,971,468.25/14,304,028.08 - Step 6: Final answer
x = 10,733,096.03
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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.