Finding the Fourth Proportional to 29,972,990.34, 41,362,725.90 and 16,221,954.47
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Solution
The fourth proportional to 29,972,990.34, 41,362,725.90 and 16,221,954.47 is: 22,386,296.75
Step by Step Solution
- Step 1: Write the proportion equation
29,972,990.34 : 41,362,725.90 = 16,221,954.47 : x - Step 2: Convert to fraction form
29,972,990.34/41,362,725.90 = 16,221,954.47/x - Step 3: Cross multiply
29,972,990.34x = 41,362,725.90 × 16,221,954.47 - Step 4: Simplify right side
29,972,990.34x = 670,984,256,158,908.50 - Step 5: Solve for x
x = 670,984,256,158,908.50/29,972,990.34 - Step 6: Final answer
x = 22,386,296.75
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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.