Finding the Fourth Proportional to 36,386,410.75, 50,217,649.98 and 20,709,246.93
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Solution
The fourth proportional to 36,386,410.75, 50,217,649.98 and 20,709,246.93 is: 28,581,266.80
Step by Step Solution
- Step 1: Write the proportion equation
36,386,410.75 : 50,217,649.98 = 20,709,246.93 : x - Step 2: Convert to fraction form
36,386,410.75/50,217,649.98 = 20,709,246.93/x - Step 3: Cross multiply
36,386,410.75x = 50,217,649.98 × 20,709,246.93 - Step 4: Simplify right side
36,386,410.75x = 1,039,969,713,680,129.50 - Step 5: Solve for x
x = 1,039,969,713,680,129.50/36,386,410.75 - Step 6: Final answer
x = 28,581,266.80
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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.