Finding the Fourth Proportional to 9,877,548.80, 14,816,323.20 and 3,146,643.20
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Solution
The fourth proportional to 9,877,548.80, 14,816,323.20 and 3,146,643.20 is: 4,719,964.80
Step by Step Solution
- Step 1: Write the proportion equation
9,877,548.80 : 14,816,323.20 = 3,146,643.20 : x - Step 2: Convert to fraction form
9,877,548.80/14,816,323.20 = 3,146,643.20/x - Step 3: Cross multiply
9,877,548.80x = 14,816,323.20 × 3,146,643.20 - Step 4: Simplify right side
9,877,548.80x = 46,621,682,646,282.24 - Step 5: Solve for x
x = 46,621,682,646,282.24/9,877,548.80 - Step 6: Final answer
x = 4,719,964.80
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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.