Finding the Fourth Proportional to 19,798,789.80, 29,656,194.30 and 16,439,557.80
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Solution
The fourth proportional to 19,798,789.80, 29,656,194.30 and 16,439,557.80 is: 24,624,470.75
Step by Step Solution
- Step 1: Write the proportion equation
19,798,789.80 : 29,656,194.30 = 16,439,557.80 : x - Step 2: Convert to fraction form
19,798,789.80/29,656,194.30 = 16,439,557.80/x - Step 3: Cross multiply
19,798,789.80x = 29,656,194.30 × 16,439,557.80 - Step 4: Simplify right side
19,798,789.80x = 487,534,720,322,880.56 - Step 5: Solve for x
x = 487,534,720,322,880.56/19,798,789.80 - Step 6: Final answer
x = 24,624,470.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.