Finding the Fourth Proportional to 13,122,597.87, 19,682,168.65 and 3,900,373.49
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Solution
The fourth proportional to 13,122,597.87, 19,682,168.65 and 3,900,373.49 is: 5,850,046.59
Step by Step Solution
- Step 1: Write the proportion equation
13,122,597.87 : 19,682,168.65 = 3,900,373.49 : x - Step 2: Convert to fraction form
13,122,597.87/19,682,168.65 = 3,900,373.49/x - Step 3: Cross multiply
13,122,597.87x = 19,682,168.65 × 3,900,373.49 - Step 4: Simplify right side
13,122,597.87x = 76,767,808,867,623.58 - Step 5: Solve for x
x = 76,767,808,867,623.58/13,122,597.87 - Step 6: Final answer
x = 5,850,046.59
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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.