Finding the Fourth Proportional to 29,272,475.54, 40,395,976.26 and 16,220,579.42
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Solution
The fourth proportional to 29,272,475.54, 40,395,976.26 and 16,220,579.42 is: 22,384,377.44
Step by Step Solution
- Step 1: Write the proportion equation
29,272,475.54 : 40,395,976.26 = 16,220,579.42 : x - Step 2: Convert to fraction form
29,272,475.54/40,395,976.26 = 16,220,579.42/x - Step 3: Cross multiply
29,272,475.54x = 40,395,976.26 × 16,220,579.42 - Step 4: Simplify right side
29,272,475.54x = 655,246,141,213,927.38 - Step 5: Solve for x
x = 655,246,141,213,927.38/29,272,475.54 - Step 6: Final answer
x = 22,384,377.44
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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.