Finding the Fourth Proportional to 18,330,831.30, 27,496,246.95 and 16,417,643.70
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Solution
The fourth proportional to 18,330,831.30, 27,496,246.95 and 16,417,643.70 is: 24,626,465.55
Step by Step Solution
- Step 1: Write the proportion equation
18,330,831.30 : 27,496,246.95 = 16,417,643.70 : x - Step 2: Convert to fraction form
18,330,831.30/27,496,246.95 = 16,417,643.70/x - Step 3: Cross multiply
18,330,831.30x = 27,496,246.95 × 16,417,643.70 - Step 4: Simplify right side
18,330,831.30x = 451,423,585,512,311.69 - Step 5: Solve for x
x = 451,423,585,512,311.69/18,330,831.30 - Step 6: Final answer
x = 24,626,465.55
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1.5x scale
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.