Finding the Fourth Proportional to 36,877,727.19, 50,889,929.60 and 20,357,497.13
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Solution
The fourth proportional to 36,877,727.19, 50,889,929.60 and 20,357,497.13 is: 28,092,609.67
Step by Step Solution
- Step 1: Write the proportion equation
36,877,727.19 : 50,889,929.60 = 20,357,497.13 : x - Step 2: Convert to fraction form
36,877,727.19/50,889,929.60 = 20,357,497.13/x - Step 3: Cross multiply
36,877,727.19x = 50,889,929.60 × 20,357,497.13 - Step 4: Simplify right side
36,877,727.19x = 1,035,991,595,421,664.88 - Step 5: Solve for x
x = 1,035,991,595,421,664.88/36,877,727.19 - Step 6: Final answer
x = 28,092,609.67
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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.