Finding the Fourth Proportional to 25,742,811.92, 35,521,230.12 and 14,727,812
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Solution
The fourth proportional to 25,742,811.92, 35,521,230.12 and 14,727,812 is: 20,322,177.73
Step by Step Solution
- Step 1: Write the proportion equation
25,742,811.92 : 35,521,230.12 = 14,727,812 : x - Step 2: Convert to fraction form
25,742,811.92/35,521,230.12 = 14,727,812/x - Step 3: Cross multiply
25,742,811.92x = 35,521,230.12 × 14,727,812 - Step 4: Simplify right side
25,742,811.92x = 523,149,999,216,097.38 - Step 5: Solve for x
x = 523,149,999,216,097.38/25,742,811.92 - Step 6: Final answer
x = 20,322,177.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.