Finding the Fourth Proportional to 42,486,107.70, 58,620,750.93 and 24,149,949.78
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Solution
The fourth proportional to 42,486,107.70, 58,620,750.93 and 24,149,949.78 is: 33,321,202.33
Step by Step Solution
- Step 1: Write the proportion equation
42,486,107.70 : 58,620,750.93 = 24,149,949.78 : x - Step 2: Convert to fraction form
42,486,107.70/58,620,750.93 = 24,149,949.78/x - Step 3: Cross multiply
42,486,107.70x = 58,620,750.93 × 24,149,949.78 - Step 4: Simplify right side
42,486,107.70x = 1,415,688,191,025,388.25 - Step 5: Solve for x
x = 1,415,688,191,025,388.25/42,486,107.70 - Step 6: Final answer
x = 33,321,202.33
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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.