Finding the Fourth Proportional to 51,711,784.98, 71,362,744.62 and 28,507,742.31
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Solution
The fourth proportional to 51,711,784.98, 71,362,744.62 and 28,507,742.31 is: 39,340,949.75
Step by Step Solution
- Step 1: Write the proportion equation
51,711,784.98 : 71,362,744.62 = 28,507,742.31 : x - Step 2: Convert to fraction form
51,711,784.98/71,362,744.62 = 28,507,742.31/x - Step 3: Cross multiply
51,711,784.98x = 71,362,744.62 × 28,507,742.31 - Step 4: Simplify right side
51,711,784.98x = 2,034,390,734,161,299 - Step 5: Solve for x
x = 2,034,390,734,161,299/51,711,784.98 - Step 6: Final answer
x = 39,340,949.75
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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.