Finding the Fourth Proportional to 36,869,298.12, 50,875,772.76 and 20,349,118.08
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Solution
The fourth proportional to 36,869,298.12, 50,875,772.76 and 20,349,118.08 is: 28,079,653.26
Step by Step Solution
- Step 1: Write the proportion equation
36,869,298.12 : 50,875,772.76 = 20,349,118.08 : x - Step 2: Convert to fraction form
36,869,298.12/50,875,772.76 = 20,349,118.08/x - Step 3: Cross multiply
36,869,298.12x = 50,875,772.76 × 20,349,118.08 - Step 4: Simplify right side
36,869,298.12x = 1,035,277,107,304,487.38 - Step 5: Solve for x
x = 1,035,277,107,304,487.38/36,869,298.12 - Step 6: Final answer
x = 28,079,653.26
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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.