Finding the Fourth Proportional to 19,735,078.26, 29,604,648.06 and 7,449,389.74
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Solution
The fourth proportional to 19,735,078.26, 29,604,648.06 and 7,449,389.74 is: 11,174,851.12
Step by Step Solution
- Step 1: Write the proportion equation
19,735,078.26 : 29,604,648.06 = 7,449,389.74 : x - Step 2: Convert to fraction form
19,735,078.26/29,604,648.06 = 7,449,389.74/x - Step 3: Cross multiply
19,735,078.26x = 29,604,648.06 × 7,449,389.74 - Step 4: Simplify right side
19,735,078.26x = 220,536,561,470,231.09 - Step 5: Solve for x
x = 220,536,561,470,231.09/19,735,078.26 - Step 6: Final answer
x = 11,174,851.12
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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.