Finding the Fourth Proportional to 49,942,368.80, 74,918,542.80 and 13,551,336.80
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Solution
The fourth proportional to 49,942,368.80, 74,918,542.80 and 13,551,336.80 is: 20,328,359.08
Step by Step Solution
- Step 1: Write the proportion equation
49,942,368.80 : 74,918,542.80 = 13,551,336.80 : x - Step 2: Convert to fraction form
49,942,368.80/74,918,542.80 = 13,551,336.80/x - Step 3: Cross multiply
49,942,368.80x = 74,918,542.80 × 13,551,336.80 - Step 4: Simplify right side
49,942,368.80x = 1,015,246,406,048,015 - Step 5: Solve for x
x = 1,015,246,406,048,015/49,942,368.80 - Step 6: Final answer
x = 20,328,359.08
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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.