Finding the Fourth Proportional to 56,179,309.80, 84,268,964.70 and 15,789,793.80
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Solution
The fourth proportional to 56,179,309.80, 84,268,964.70 and 15,789,793.80 is: 23,684,690.70
Step by Step Solution
- Step 1: Write the proportion equation
56,179,309.80 : 84,268,964.70 = 15,789,793.80 : x - Step 2: Convert to fraction form
56,179,309.80/84,268,964.70 = 15,789,793.80/x - Step 3: Cross multiply
56,179,309.80x = 84,268,964.70 × 15,789,793.80 - Step 4: Simplify right side
56,179,309.80x = 1,330,589,576,352,479 - Step 5: Solve for x
x = 1,330,589,576,352,479/56,179,309.80 - Step 6: Final answer
x = 23,684,690.70
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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.