Finding the Fourth Proportional to 13,014,515.35, 19,521,674.74 and 3,916,573.75
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Solution
The fourth proportional to 13,014,515.35, 19,521,674.74 and 3,916,573.75 is: 5,874,831.05
Step by Step Solution
- Step 1: Write the proportion equation
13,014,515.35 : 19,521,674.74 = 3,916,573.75 : x - Step 2: Convert to fraction form
13,014,515.35/19,521,674.74 = 3,916,573.75/x - Step 3: Cross multiply
13,014,515.35x = 19,521,674.74 × 3,916,573.75 - Step 4: Simplify right side
13,014,515.35x = 76,458,078,842,722.06 - Step 5: Solve for x
x = 76,458,078,842,722.06/13,014,515.35 - Step 6: Final answer
x = 5,874,831.05
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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.