Finding the Fourth Proportional to 21,514,216.98, 29,688,753.27 and 11,724,450.98
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Solution
The fourth proportional to 21,514,216.98, 29,688,753.27 and 11,724,450.98 is: 16,179,270.32
Step by Step Solution
- Step 1: Write the proportion equation
21,514,216.98 : 29,688,753.27 = 11,724,450.98 : x - Step 2: Convert to fraction form
21,514,216.98/29,688,753.27 = 11,724,450.98/x - Step 3: Cross multiply
21,514,216.98x = 29,688,753.27 × 11,724,450.98 - Step 4: Simplify right side
21,514,216.98x = 348,084,332,266,952.62 - Step 5: Solve for x
x = 348,084,332,266,952.62/21,514,216.98 - Step 6: Final answer
x = 16,179,270.32
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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.