Finding the Fourth Proportional to 10,644,570.86, 14,689,513.70 and 5,749,792.99
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Solution
The fourth proportional to 10,644,570.86, 14,689,513.70 and 5,749,792.99 is: 7,934,717.52
Step by Step Solution
- Step 1: Write the proportion equation
10,644,570.86 : 14,689,513.70 = 5,749,792.99 : x - Step 2: Convert to fraction form
10,644,570.86/14,689,513.70 = 5,749,792.99/x - Step 3: Cross multiply
10,644,570.86x = 14,689,513.70 × 5,749,792.99 - Step 4: Simplify right side
10,644,570.86x = 84,461,662,854,857.94 - Step 5: Solve for x
x = 84,461,662,854,857.94/10,644,570.86 - Step 6: Final answer
x = 7,934,717.52
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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.