Finding the Fourth Proportional to 51,943,605.48, 71,684,285.58 and 28,738,354.50
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Solution
The fourth proportional to 51,943,605.48, 71,684,285.58 and 28,738,354.50 is: 39,660,096.60
Step by Step Solution
- Step 1: Write the proportion equation
51,943,605.48 : 71,684,285.58 = 28,738,354.50 : x - Step 2: Convert to fraction form
51,943,605.48/71,684,285.58 = 28,738,354.50/x - Step 3: Cross multiply
51,943,605.48x = 71,684,285.58 × 28,738,354.50 - Step 4: Simplify right side
51,943,605.48x = 2,060,088,411,077,278 - Step 5: Solve for x
x = 2,060,088,411,077,278/51,943,605.48 - Step 6: Final answer
x = 39,660,096.60
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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.