Finding the Fourth Proportional to 36,169,377.99, 49,912,590.15 and 20,699,130.48
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Solution
The fourth proportional to 36,169,377.99, 49,912,590.15 and 20,699,130.48 is: 28,564,141.09
Step by Step Solution
- Step 1: Write the proportion equation
36,169,377.99 : 49,912,590.15 = 20,699,130.48 : x - Step 2: Convert to fraction form
36,169,377.99/49,912,590.15 = 20,699,130.48/x - Step 3: Cross multiply
36,169,377.99x = 49,912,590.15 × 20,699,130.48 - Step 4: Simplify right side
36,169,377.99x = 1,033,147,216,109,612.75 - Step 5: Solve for x
x = 1,033,147,216,109,612.75/36,169,377.99 - Step 6: Final answer
x = 28,564,141.09
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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.