Finding the Fourth Proportional to 46,640,606.64, 69,958,387.16 and 14,292,603.06
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Solution
The fourth proportional to 46,640,606.64, 69,958,387.16 and 14,292,603.06 is: 21,438,131.50
Step by Step Solution
- Step 1: Write the proportion equation
46,640,606.64 : 69,958,387.16 = 14,292,603.06 : x - Step 2: Convert to fraction form
46,640,606.64/69,958,387.16 = 14,292,603.06/x - Step 3: Cross multiply
46,640,606.64x = 69,958,387.16 × 14,292,603.06 - Step 4: Simplify right side
46,640,606.64x = 999,887,458,395,680.75 - Step 5: Solve for x
x = 999,887,458,395,680.75/46,640,606.64 - Step 6: Final answer
x = 21,438,131.50
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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.