Finding the Fourth Proportional to 47,391,887.46, 65,400,893.64 and 26,483,920.26
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Solution
The fourth proportional to 47,391,887.46, 65,400,893.64 and 26,483,920.26 is: 36,547,859.66
Step by Step Solution
- Step 1: Write the proportion equation
47,391,887.46 : 65,400,893.64 = 26,483,920.26 : x - Step 2: Convert to fraction form
47,391,887.46/65,400,893.64 = 26,483,920.26/x - Step 3: Cross multiply
47,391,887.46x = 65,400,893.64 × 26,483,920.26 - Step 4: Simplify right side
47,391,887.46x = 1,732,072,052,094,501.25 - Step 5: Solve for x
x = 1,732,072,052,094,501.25/47,391,887.46 - Step 6: Final answer
x = 36,547,859.66
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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.