Finding the Fourth Proportional to 29,027,099.96, 40,057,386.36 and 15,974,358.87
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Solution
The fourth proportional to 29,027,099.96, 40,057,386.36 and 15,974,358.87 is: 22,044,608.87
Step by Step Solution
- Step 1: Write the proportion equation
29,027,099.96 : 40,057,386.36 = 15,974,358.87 : x - Step 2: Convert to fraction form
29,027,099.96/40,057,386.36 = 15,974,358.87/x - Step 3: Cross multiply
29,027,099.96x = 40,057,386.36 × 15,974,358.87 - Step 4: Simplify right side
29,027,099.96x = 639,891,065,108,883 - Step 5: Solve for x
x = 639,891,065,108,883/29,027,099.96 - Step 6: Final answer
x = 22,044,608.87
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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.