Finding the Fourth Proportional to 37,380,782.34, 51,588,069.09 and 20,864,129.14
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Solution
The fourth proportional to 37,380,782.34, 51,588,069.09 and 20,864,129.14 is: 28,793,943.53
Step by Step Solution
- Step 1: Write the proportion equation
37,380,782.34 : 51,588,069.09 = 20,864,129.14 : x - Step 2: Convert to fraction form
37,380,782.34/51,588,069.09 = 20,864,129.14/x - Step 3: Cross multiply
37,380,782.34x = 51,588,069.09 × 20,864,129.14 - Step 4: Simplify right side
37,380,782.34x = 1,076,340,135,680,628.50 - Step 5: Solve for x
x = 1,076,340,135,680,628.50/37,380,782.34 - Step 6: Final answer
x = 28,793,943.53
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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.