Finding the Fourth Proportional to 49,930,519.90, 74,903,977.05 and 15,386,927.53
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Solution
The fourth proportional to 49,930,519.90, 74,903,977.05 and 15,386,927.53 is: 23,082,917.40
Step by Step Solution
- Step 1: Write the proportion equation
49,930,519.90 : 74,903,977.05 = 15,386,927.53 : x - Step 2: Convert to fraction form
49,930,519.90/74,903,977.05 = 15,386,927.53/x - Step 3: Cross multiply
49,930,519.90x = 74,903,977.05 × 15,386,927.53 - Step 4: Simplify right side
49,930,519.90x = 1,152,542,066,577,133 - Step 5: Solve for x
x = 1,152,542,066,577,133/49,930,519.90 - Step 6: Final answer
x = 23,082,917.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.