Finding the Fourth Proportional to 19,900,950.94, 29,851,593.57 and 5,525,139.79
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Solution
The fourth proportional to 19,900,950.94, 29,851,593.57 and 5,525,139.79 is: 8,287,756.09
Step by Step Solution
- Step 1: Write the proportion equation
19,900,950.94 : 29,851,593.57 = 5,525,139.79 : x - Step 2: Convert to fraction form
19,900,950.94/29,851,593.57 = 5,525,139.79/x - Step 3: Cross multiply
19,900,950.94x = 29,851,593.57 × 5,525,139.79 - Step 4: Simplify right side
19,900,950.94x = 164,934,227,428,515.16 - Step 5: Solve for x
x = 164,934,227,428,515.16/19,900,950.94 - Step 6: Final answer
x = 8,287,756.09
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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.