Finding the Fourth Proportional to 15,268,350.20, 22,902,525.30 and 12,876,865.70
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Solution
The fourth proportional to 15,268,350.20, 22,902,525.30 and 12,876,865.70 is: 19,315,298.55
Step by Step Solution
- Step 1: Write the proportion equation
15,268,350.20 : 22,902,525.30 = 12,876,865.70 : x - Step 2: Convert to fraction form
15,268,350.20/22,902,525.30 = 12,876,865.70/x - Step 3: Cross multiply
15,268,350.20x = 22,902,525.30 × 12,876,865.70 - Step 4: Simplify right side
15,268,350.20x = 294,912,742,478,952.19 - Step 5: Solve for x
x = 294,912,742,478,952.19/15,268,350.20 - Step 6: Final answer
x = 19,315,298.55
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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.