Finding the Fourth Proportional to 19,360,526.18, 29,040,791.70 and 6,403,198.79
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Solution
The fourth proportional to 19,360,526.18, 29,040,791.70 and 6,403,198.79 is: 9,604,798.99
Step by Step Solution
- Step 1: Write the proportion equation
19,360,526.18 : 29,040,791.70 = 6,403,198.79 : x - Step 2: Convert to fraction form
19,360,526.18/29,040,791.70 = 6,403,198.79/x - Step 3: Cross multiply
19,360,526.18x = 29,040,791.70 × 6,403,198.79 - Step 4: Simplify right side
19,360,526.18x = 185,953,962,274,082.03 - Step 5: Solve for x
x = 185,953,962,274,082.03/19,360,526.18 - Step 6: Final answer
x = 9,604,798.99
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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.