Finding the Fourth Proportional to 21,032,696.99, 31,545,887.94 and 6,653,896.44
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Solution
The fourth proportional to 21,032,696.99, 31,545,887.94 and 6,653,896.44 is: 9,979,845.74
Step by Step Solution
- Step 1: Write the proportion equation
21,032,696.99 : 31,545,887.94 = 6,653,896.44 : x - Step 2: Convert to fraction form
21,032,696.99/31,545,887.94 = 6,653,896.44/x - Step 3: Cross multiply
21,032,696.99x = 31,545,887.94 × 6,653,896.44 - Step 4: Simplify right side
21,032,696.99x = 209,903,071,460,604.97 - Step 5: Solve for x
x = 209,903,071,460,604.97/21,032,696.99 - Step 6: Final answer
x = 9,979,845.74
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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.