Finding the Fourth Proportional to 29,269,830.06, 40,390,678.08 and 16,216,310.52
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Solution
The fourth proportional to 29,269,830.06, 40,390,678.08 and 16,216,310.52 is: 22,377,573.65
Step by Step Solution
- Step 1: Write the proportion equation
29,269,830.06 : 40,390,678.08 = 16,216,310.52 : x - Step 2: Convert to fraction form
29,269,830.06/40,390,678.08 = 16,216,310.52/x - Step 3: Cross multiply
29,269,830.06x = 40,390,678.08 × 16,216,310.52 - Step 4: Simplify right side
29,269,830.06x = 654,987,777,858,637.38 - Step 5: Solve for x
x = 654,987,777,858,637.38/29,269,830.06 - Step 6: Final answer
x = 22,377,573.65
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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.