Finding the Fourth Proportional to 16,597,831.70, 24,896,747.55 and 13,763,479.70
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Solution
The fourth proportional to 16,597,831.70, 24,896,747.55 and 13,763,479.70 is: 20,645,219.55
Step by Step Solution
- Step 1: Write the proportion equation
16,597,831.70 : 24,896,747.55 = 13,763,479.70 : x - Step 2: Convert to fraction form
16,597,831.70/24,896,747.55 = 13,763,479.70/x - Step 3: Cross multiply
16,597,831.70x = 24,896,747.55 × 13,763,479.70 - Step 4: Simplify right side
16,597,831.70x = 342,665,879,500,449.75 - Step 5: Solve for x
x = 342,665,879,500,449.75/16,597,831.70 - Step 6: Final answer
x = 20,645,219.55
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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.