Finding the Fourth Proportional to 23,339,936.80, 32,211,937.16 and 13,283,880.74
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Solution
The fourth proportional to 23,339,936.80, 32,211,937.16 and 13,283,880.74 is: 18,333,362.91
Step by Step Solution
- Step 1: Write the proportion equation
23,339,936.80 : 32,211,937.16 = 13,283,880.74 : x - Step 2: Convert to fraction form
23,339,936.80/32,211,937.16 = 13,283,880.74/x - Step 3: Cross multiply
23,339,936.80x = 32,211,937.16 × 13,283,880.74 - Step 4: Simplify right side
23,339,936.80x = 427,899,531,637,814.31 - Step 5: Solve for x
x = 427,899,531,637,814.31/23,339,936.80 - Step 6: Final answer
x = 18,333,362.91
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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.